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Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CAD
K
DOC
Type MG Precision High Voltage Resistors
Specifications:
Resistance Tolerance:
Resistance Range
Tolerance
1%
1%, �0.5%, �0.25%, �0.1%
Standard
St'd with "-15" rating
Extended Range
1%
Resistance Range
Overload/Overvoltage, �R
N/A
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Models with low inductance construction are in shaded areas.
Models with Caddock's Non-Inductive Resistance Pattern are in non-shaded areas.
Standard and
St'd with "-15"
rating
80 ppm/�C from +25�C to +105�C,
-200 ppm/�C to +50 ppm/�C from
-15�C to +25�C.
Resistance
Range
80 ppm/�C from -15�C to +105�C,
referenced to +25�C.
TC Specifications
Extended
Range
Resistance Range
Load Life, �R
0.8% max.
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Dielect.
Strength
Max.
Continuous
Oper. Volt.
Watt-
age
Model
No.
A
B
C
Dimensions in inches and (millimeters)
Resistance
Standard
Max.
Extended
Max.
Min.
MG650
.313 �.020
(7.95 �.51)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG655
.313 �.030
(7.95 �.76)
.109 �.025
(2.77 �.64)
.025 �.002
(.64 �.05)
MG660
.500 �.030
(12.70 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG680
.750 �.030
(19.05 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG710
1.000 �.040
(25.40 �1.02)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG712
.400 �.060
(10.16 �.152)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG714
.562 �.060
(14.27 �1.52)
.150 �.030
(3.81 �.76)
.032 �.002
(.81 �.05)
MG715
.750 �.060
(19.05 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG716
1.000 �.060
(25.40 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG717
.710 �.050
(18.03 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG720
1.500 �.080
(38.10 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG721
1.000 �.050
(25.40 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG725
2.000 �.080
(50.80 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG730
1.500 �.080
(38.10 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG731
1.000 �.060
(25.40 �1.52)
.315 �
.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG735
2.000 �.080
(50.80 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG740
1.500 �.060
(38.10 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG745
3.000 �.100
(76.20 �2.54)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG750
2.125 �.060
(53.98 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG780
3.125 �.060
(79.38 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG785
4.000 �.120
(101.60 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG810
5.000 �.120
(127.00 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG815
6.000 �.120
(152.40 �3.05)
.350 �.040
(8.89 �1.02)
.040 �.002
(1.02 �.05)
0.5
0.5
0.6
0.8
1.0
0.6
1.0
1.0
1.5
1.5
2.0
2.0
2.5
3.0
2.6
3.6
3.6
5.0
5.0
7.5
8.0
10.0
15.0
600
600
1,000
2,000
4,000
1,000
1,000
2,000
4,000
2,000
6,000
4,000
10,000
6,000
4,000
10,000
6,000
15,000
10,000
15,000
20,000
25,000
30,000
750
750
750
750
750
750
750
750
750
750
750
750
750
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
200 �
200 �
400 �
600 �
800 �
800 �
200 �
400 �
600 �
600 �
1 K
200 �
1.5 K
500 �
200 �
750 �
300 �
1 K
400 �
600 �
800 �
1 K
1 K
5 Meg
8 Meg
10 Meg
20 Meg
50 Meg
20 Meg
20 Meg
50 Meg
75 Meg
75 Meg
150 Meg
100 Meg
200 Meg
250 Meg
150 Meg
300 Meg
300 Meg
500 Meg
500 Meg
750 Meg
1,000 Meg
1,250 Meg
2,000 Meg
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
225 M
N/A
300 M
N/A
750 M
750 M
1,000 M
1,500 M
1,500 M
2,500 M
3,750 M
5,000 M
6,250 M
10,000 M
-15
Min.
6.5 Meg
N/A
N/A
N/A
N/A
N/A
N/A
26 Meg
70 Meg
17 Meg
N/A
51 Meg
N/A
77 Meg
40 Meg
178 Meg
64 Meg
288 Meg
128 Meg
192 Meg
320 Meg
400 Meg
384 Meg
Overload
Rating
Type 1
Type 1
Type 1
Type 1
Type 1
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Now with Extended Resistance Range to 10,000 Megohms and Additional Models
Temperature Coefficient as tight as 80 ppm/°C, Combined with Excellent Long-Term Stability and Precision Tolerances.
Caddock's Micronox® resistance films are the source of
the Type MG Precision High Voltage Resistors' outstanding
combination of performance features:
Single-resistor values as high as 10,000 Megohms.
Maximum continuous operating voltages as high as
48,000 volts ("-15" ratings).
Overvoltage capabilities of 150% of standard working
voltages for all models and values, (except "-15" ratings).
Resistance Tolerances from ±1.0% to ±0.1%.
Temperature Coefficient, for standard resistance range, of
80 ppm/°C in combination with resistance tolerances as
tight as ±0.1%.
Type MG resistors have demonstrated stability of 0.01%
per 1,000 hours in extended load life testing of standard
resistance range values.
This exceptional performance has been proven through
many years of use in equipment that demands the highest
reliability and stability, including TWT amplifiers, X-ray
systems, geophysical instruments, and medical electronics.
Preconditioning for Power and Voltage Ratings
All power ratings and maximum operating voltage ratings
are for continuous duty. These ratings are based on pre-
stress voltage levels applied during the manufacturing
process to provide for stable resistor performance even
under momentary overload conditions.
Maximum operating voltages 60% higher than the values
listed in the table may be specified by adding "-15" to the
model number (Example: MG750-15). Note that overload
and overvoltage ratings do not apply to the "-15" resistors.
Resistance ranges for "-15" resistors shown in the table are
from "-15 Min." to "Standard Max."
Non-Inductive Performance
Most models are manufactured with Caddock's
Non-Inductive Design which uses a serpentine resistive
pattern that provides for neighboring lines to carry current in
opposite directions, thereby achieving maximum cancellation
of flux fields over the entire length of the resistor. This
efficient non-inductive construction is accomplished without
derating of any performance advantages.
Insulation Resistance: 10,000 Megohms, min.
Overload/Overvoltage: 5 times rated power
with applied voltage not to exceed 1.5 times max-
imum continuous operating voltage for 5 seconds
.
Type 1: DC Voltage
Type 2: DC Voltage or VrmsAC
Thermal Shock: Mil-Std-202, Method 107,
Cond. C, ΔR 0.25% max.
Moisture Resistance: Mil-Std-202, Method 106,
Δ
R 0.4% max.
Load Life: 1,000 hours at +125°C at rated
voltage, not to exceed rated power.
Solderable Leads
Encapsulation: High Temperature Silicone Conformal.
Temperature Coefficient:
Page 1 of 2
28_IL110.1004
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CAD
K
DOC
Type MG Precision High Voltage Resistors
Specifications:
Resistance Tolerance:
Resistance Range
Tolerance
1%
1%, �0.5%, �0.25%, �0.1%
Standard
St'd with "-15" rating
Extended Range
1%
Resistance Range
Overload/Overvoltage, �R
N/A
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Models with low inductance construction are in shaded areas.
Models with Caddock's Non-Inductive Resistance Pattern are in non-shaded areas.
Standard and
St'd with "-15"
rating
80 ppm/�C from +25�C to +105�C,
-200 ppm/�C to +50 ppm/�C from
-15�C to +25�C.
Resistance
Range
80 ppm/�C from -15�C to +105�C,
referenced to +25�C.
TC Specifications
Extended
Range
Resistance Range
Load Life, �R
0.8% max.
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Dielect.
Strength
Max.
Continuous
Oper. Volt.
Watt-
age
Model
No.
A
B
C
Dimensions in inches and (millimeters)
Resistance
Standard
Max.
Extended
Max.
Min.
MG650
.313 �.020
(7.95 �.51)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG655
.313 �.030
(7.95 �.76)
.109 �.025
(2.77 �.64)
.025 �.002
(.64 �.05)
MG660
.500 �.030
(12.70 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG680
.750 �.030
(19.05 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG710
1.000 �.040
(25.40 �1.02)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG712
.400 �.060
(10.16 �.152)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG714
.562 �.060
(14.27 �1.52)
.150 �.030
(3.81 �.76)
.032 �.002
(.81 �.05)
MG715
.750 �.060
(19.05 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG716
1.000 �.060
(25.40 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG717
.710 �.050
(18.03 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG720
1.500 �.080
(38.10 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG721
1.000 �.050
(25.40 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG725
2.000 �.080
(50.80 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG730
1.500 �.080
(38.10 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG731
1.000 �.060
(25.40 �1.52)
.315 �
.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG735
2.000 �.080
(50.80 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG740
1.500 �.060
(38.10 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG745
3.000 �.100
(76.20 �2.54)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG750
2.125 �.060
(53.98 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG780
3.125 �.060
(79.38 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG785
4.000 �.120
(101.60 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG810
5.000 �.120
(127.00 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG815
6.000 �.120
(152.40 �3.05)
.350 �.040
(8.89 �1.02)
.040 �.002
(1.02 �.05)
0.5
0.5
0.6
0.8
1.0
0.6
1.0
1.0
1.5
1.5
2.0
2.0
2.5
3.0
2.6
3.6
3.6
5.0
5.0
7.5
8.0
10.0
15.0
600
600
1,000
2,000
4,000
1,000
1,000
2,000
4,000
2,000
6,000
4,000
10,000
6,000
4,000
10,000
6,000
15,000
10,000
15,000
20,000
25,000
30,000
750
750
750
750
750
750
750
750
750
750
750
750
750
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
200 �
200 �
400 �
600 �
800 �
800 �
200 �
400 �
600 �
600 �
1 K
200 �
1.5 K
500 �
200 �
750 �
300 �
1 K
400 �
600 �
800 �
1 K
1 K
5 Meg
8 Meg
10 Meg
20 Meg
50 Meg
20 Meg
20 Meg
50 Meg
75 Meg
75 Meg
150 Meg
100 Meg
200 Meg
250 Meg
150 Meg
300 Meg
300 Meg
500 Meg
500 Meg
750 Meg
1,000 Meg
1,250 Meg
2,000 Meg
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
225 M
N/A
300 M
N/A
750 M
750 M
1,000 M
1,500 M
1,500 M
2,500 M
3,750 M
5,000 M
6,250 M
10,000 M
-15
Min.
6.5 Meg
N/A
N/A
N/A
N/A
N/A
N/A
26 Meg
70 Meg
17 Meg
N/A
51 Meg
N/A
77 Meg
40 Meg
178 Meg
64 Meg
288 Meg
128 Meg
192 Meg
320 Meg
400 Meg
384 Meg
Overload
Rating
Type 1
Type 1
Type 1
Type 1
Type 1
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Now with Extended Resistance Range to 10,000 Megohms and Additional Models
Temperature Coefficient as tight as 80 ppm/°C, Combined with Excellent Long-Term Stability and Precision Tolerances.
Caddock's Micronox® resistance films are the source of
the Type MG Precision High Voltage Resistors' outstanding
combination of performance features:
Single-resistor values as high as 10,000 Megohms.
Maximum continuous operating voltages as high as
48,000 volts ("-15" ratings).
Overvoltage capabilities of 150% of standard working
voltages for all models and values, (except "-15" ratings).
Resistance Tolerances from ±1.0% to ±0.1%.
Temperature Coefficient, for standard resistance range, of
80 ppm/°C in combination with resistance tolerances as
tight as ±0.1%.
Type MG resistors have demonstrated stability of 0.01%
per 1,000 hours in extended load life testing of standard
resistance range values.
This exceptional performance has been proven through
many years of use in equipment that demands the highest
reliability and stability, including TWT amplifiers, X-ray
systems, geophysical instruments, and medical electronics.
Preconditioning for Power and Voltage Ratings
All power ratings and maximum operating voltage ratings
are for continuous duty. These ratings are based on pre-
stress voltage levels applied during the manufacturing
process to provide for stable resistor performance even
under momentary overload conditions.
Maximum operating voltages 60% higher than the values
listed in the table may be specified by adding "-15" to the
model number (Example: MG750-15). Note that overload
and overvoltage ratings do not apply to the "-15" resistors.
Resistance ranges for "-15" resistors shown in the table are
from "-15 Min." to "Standard Max."
Non-Inductive Performance
Most models are manufactured with Caddock's
Non-Inductive Design which uses a serpentine resistive
pattern that provides for neighboring lines to carry current in
opposite directions, thereby achieving maximum cancellation
of flux fields over the entire length of the resistor. This
efficient non-inductive construction is accomplished without
derating of any performance advantages.
Insulation Resistance: 10,000 Megohms, min.
Overload/Overvoltage: 5 times rated power
with applied voltage not to exceed 1.5 times max-
imum continuous operating voltage for 5 seconds
.
Type 1: DC Voltage
Type 2: DC Voltage or VrmsAC
Thermal Shock: Mil-Std-202, Method 107,
Cond. C, ΔR 0.25% max.
Moisture Resistance: Mil-Std-202, Method 106,
Δ
R 0.4% max.
Load Life: 1,000 hours at +125°C at rated
voltage, not to exceed rated power.
Solderable Leads
Encapsulation: High Temperature Silicone Conformal.
Temperature Coefficient:
Page 1 of 2
28_IL110.1004
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CAD
K
DOC
Type MG Precision High Voltage Resistors
Specifications:
Resistance Tolerance:
Resistance Range
Tolerance
1%
1%, �0.5%, �0.25%, �0.1%
Standard
St'd with "-15" rating
Extended Range
1%
Resistance Range
Overload/Overvoltage, �R
N/A
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Models with low inductance construction are in shaded areas.
Models with Caddock's Non-Inductive Resistance Pattern are in non-shaded areas.
Standard and
St'd with "-15"
rating
80 ppm/�C from +25�C to +105�C,
-200 ppm/�C to +50 ppm/�C from
-15�C to +25�C.
Resistance
Range
80 ppm/�C from -15�C to +105�C,
referenced to +25�C.
TC Specifications
Extended
Range
Resistance Range
Load Life, �R
0.8% max.
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Dielect.
Strength
Max.
Continuous
Oper. Volt.
Watt-
age
Model
No.
A
B
C
Dimensions in inches and (millimeters)
Resistance
Standard
Max.
Extended
Max.
Min.
MG650
.313 �.020
(7.95 �.51)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG655
.313 �.030
(7.95 �.76)
.109 �.025
(2.77 �.64)
.025 �.002
(.64 �.05)
MG660
.500 �.030
(12.70 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG680
.750 �.030
(19.05 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG710
1.000 �.040
(25.40 �1.02)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG712
.400 �.060
(10.16 �.152)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG714
.562 �.060
(14.27 �1.52)
.150 �.030
(3.81 �.76)
.032 �.002
(.81 �.05)
MG715
.750 �.060
(19.05 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG716
1.000 �.060
(25.40 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG717
.710 �.050
(18.03 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG720
1.500 �.080
(38.10 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG721
1.000 �.050
(25.40 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG725
2.000 �.080
(50.80 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG730
1.500 �.080
(38.10 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG731
1.000 �.060
(25.40 �1.52)
.315 �
.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG735
2.000 �.080
(50.80 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG740
1.500 �.060
(38.10 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG745
3.000 �.100
(76.20 �2.54)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG750
2.125 �.060
(53.98 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG780
3.125 �.060
(79.38 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG785
4.000 �.120
(101.60 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG810
5.000 �.120
(127.00 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG815
6.000 �.120
(152.40 �3.05)
.350 �.040
(8.89 �1.02)
.040 �.002
(1.02 �.05)
0.5
0.5
0.6
0.8
1.0
0.6
1.0
1.0
1.5
1.5
2.0
2.0
2.5
3.0
2.6
3.6
3.6
5.0
5.0
7.5
8.0
10.0
15.0
600
600
1,000
2,000
4,000
1,000
1,000
2,000
4,000
2,000
6,000
4,000
10,000
6,000
4,000
10,000
6,000
15,000
10,000
15,000
20,000
25,000
30,000
750
750
750
750
750
750
750
750
750
750
750
750
750
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
200 �
200 �
400 �
600 �
800 �
800 �
200 �
400 �
600 �
600 �
1 K
200 �
1.5 K
500 �
200 �
750 �
300 �
1 K
400 �
600 �
800 �
1 K
1 K
5 Meg
8 Meg
10 Meg
20 Meg
50 Meg
20 Meg
20 Meg
50 Meg
75 Meg
75 Meg
150 Meg
100 Meg
200 Meg
250 Meg
150 Meg
300 Meg
300 Meg
500 Meg
500 Meg
750 Meg
1,000 Meg
1,250 Meg
2,000 Meg
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
225 M
N/A
300 M
N/A
750 M
750 M
1,000 M
1,500 M
1,500 M
2,500 M
3,750 M
5,000 M
6,250 M
10,000 M
-15
Min.
6.5 Meg
N/A
N/A
N/A
N/A
N/A
N/A
26 Meg
70 Meg
17 Meg
N/A
51 Meg
N/A
77 Meg
40 Meg
178 Meg
64 Meg
288 Meg
128 Meg
192 Meg
320 Meg
400 Meg
384 Meg
Overload
Rating
Type 1
Type 1
Type 1
Type 1
Type 1
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Now with Extended Resistance Range to 10,000 Megohms and Additional Models
Temperature Coefficient as tight as 80 ppm/°C, Combined with Excellent Long-Term Stability and Precision Tolerances.
Caddock's Micronox® resistance films are the source of
the Type MG Precision High Voltage Resistors' outstanding
combination of performance features:
Single-resistor values as high as 10,000 Megohms.
Maximum continuous operating voltages as high as
48,000 volts ("-15" ratings).
Overvoltage capabilities of 150% of standard working
voltages for all models and values, (except "-15" ratings).
Resistance Tolerances from ±1.0% to ±0.1%.
Temperature Coefficient, for standard resistance range, of
80 ppm/°C in combination with resistance tolerances as
tight as ±0.1%.
Type MG resistors have demonstrated stability of 0.01%
per 1,000 hours in extended load life testing of standard
resistance range values.
This exceptional performance has been proven through
many years of use in equipment that demands the highest
reliability and stability, including TWT amplifiers, X-ray
systems, geophysical instruments, and medical electronics.
Preconditioning for Power and Voltage Ratings
All power ratings and maximum operating voltage ratings
are for continuous duty. These ratings are based on pre-
stress voltage levels applied during the manufacturing
process to provide for stable resistor performance even
under momentary overload conditions.
Maximum operating voltages 60% higher than the values
listed in the table may be specified by adding "-15" to the
model number (Example: MG750-15). Note that overload
and overvoltage ratings do not apply to the "-15" resistors.
Resistance ranges for "-15" resistors shown in the table are
from "-15 Min." to "Standard Max."
Non-Inductive Performance
Most models are manufactured with Caddock's
Non-Inductive Design which uses a serpentine resistive
pattern that provides for neighboring lines to carry current in
opposite directions, thereby achieving maximum cancellation
of flux fields over the entire length of the resistor. This
efficient non-inductive construction is accomplished without
derating of any performance advantages.
Insulation Resistance: 10,000 Megohms, min.
Overload/Overvoltage: 5 times rated power
with applied voltage not to exceed 1.5 times max-
imum continuous operating voltage for 5 seconds
.
Type 1: DC Voltage
Type 2: DC Voltage or VrmsAC
Thermal Shock: Mil-Std-202, Method 107,
Cond. C, ΔR 0.25% max.
Moisture Resistance: Mil-Std-202, Method 106,
Δ
R 0.4% max.
Load Life: 1,000 hours at +125°C at rated
voltage, not to exceed rated power.
Solderable Leads
Encapsulation: High Temperature Silicone Conformal.
Temperature Coefficient:
Page 1 of 2
28_IL110.1004
UK & Ireland
Distributors
Hurst Green Surrey RH8 9AX UK
Email sales@rhopointcomponents.com
Web www.rhopointcomponents.com
Tel: +44 (0) 870 608 1188
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CAD
K
DOC
Type MG Precision High Voltage Resistors
Specifications:
Resistance Tolerance:
Resistance Range
Tolerance
1%
1%, �0.5%, �0.25%, �0.1%
Standard
St'd with "-15" rating
Extended Range
1%
Resistance Range
Overload/Overvoltage, �R
N/A
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Models with low inductance construction are in shaded areas.
Models with Caddock's Non-Inductive Resistance Pattern are in non-shaded areas.
Standard and
St'd with "-15"
rating
80 ppm/�C from +25�C to +105�C,
-200 ppm/�C to +50 ppm/�C from
-15�C to +25�C.
Resistance
Range
80 ppm/�C from -15�C to +105�C,
referenced to +25�C.
TC Specifications
Extended
Range
Resistance Range
Load Life, �R
0.8% max.
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Dielect.
Strength
Max.
Continuous
Oper. Volt.
Watt-
age
Model
No.
A
B
C
Dimensions in inches and (millimeters)
Resistance
Standard
Max.
Extended
Max.
Min.
MG650
.313 �.020
(7.95 �.51)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG655
.313 �.030
(7.95 �.76)
.109 �.025
(2.77 �.64)
.025 �.002
(.64 �.05)
MG660
.500 �.030
(12.70 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG680
.750 �.030
(19.05 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG710
1.000 �.040
(25.40 �1.02)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG712
.400 �.060
(10.16 �.152)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG714
.562 �.060
(14.27 �1.52)
.150 �.030
(3.81 �.76)
.032 �.002
(.81 �.05)
MG715
.750 �.060
(19.05 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG716
1.000 �.060
(25.40 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG717
.710 �.050
(18.03 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG720
1.500 �.080
(38.10 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG721
1.000 �.050
(25.40 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG725
2.000 �.080
(50.80 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG730
1.500 �.080
(38.10 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG731
1.000 �.060
(25.40 �1.52)
.315 �
.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG735
2.000 �.080
(50.80 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG740
1.500 �.060
(38.10 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG745
3.000 �.100
(76.20 �2.54)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG750
2.125 �.060
(53.98 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG780
3.125 �.060
(79.38 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG785
4.000 �.120
(101.60 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG810
5.000 �.120
(127.00 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG815
6.000 �.120
(152.40 �3.05)
.350 �.040
(8.89 �1.02)
.040 �.002
(1.02 �.05)
0.5
0.5
0.6
0.8
1.0
0.6
1.0
1.0
1.5
1.5
2.0
2.0
2.5
3.0
2.6
3.6
3.6
5.0
5.0
7.5
8.0
10.0
15.0
600
600
1,000
2,000
4,000
1,000
1,000
2,000
4,000
2,000
6,000
4,000
10,000
6,000
4,000
10,000
6,000
15,000
10,000
15,000
20,000
25,000
30,000
750
750
750
750
750
750
750
750
750
750
750
750
750
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
200 �
200 �
400 �
600 �
800 �
800 �
200 �
400 �
600 �
600 �
1 K
200 �
1.5 K
500 �
200 �
750 �
300 �
1 K
400 �
600 �
800 �
1 K
1 K
5 Meg
8 Meg
10 Meg
20 Meg
50 Meg
20 Meg
20 Meg
50 Meg
75 Meg
75 Meg
150 Meg
100 Meg
200 Meg
250 Meg
150 Meg
300 Meg
300 Meg
500 Meg
500 Meg
750 Meg
1,000 Meg
1,250 Meg
2,000 Meg
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
225 M
N/A
300 M
N/A
750 M
750 M
1,000 M
1,500 M
1,500 M
2,500 M
3,750 M
5,000 M
6,250 M
10,000 M
-15
Min.
6.5 Meg
N/A
N/A
N/A
N/A
N/A
N/A
26 Meg
70 Meg
17 Meg
N/A
51 Meg
N/A
77 Meg
40 Meg
178 Meg
64 Meg
288 Meg
128 Meg
192 Meg
320 Meg
400 Meg
384 Meg
Overload
Rating
Type 1
Type 1
Type 1
Type 1
Type 1
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Now with Extended Resistance Range to 10,000 Megohms and Additional Models
Temperature Coefficient as tight as 80 ppm/°C, Combined with Excellent Long-Term Stability and Precision Tolerances.
Caddock's Micronox® resistance films are the source of
the Type MG Precision High Voltage Resistors' outstanding
combination of performance features:
Single-resistor values as high as 10,000 Megohms.
Maximum continuous operating voltages as high as
48,000 volts ("-15" ratings).
Overvoltage capabilities of 150% of standard working
voltages for all models and values, (except "-15" ratings).
Resistance Tolerances from ±1.0% to ±0.1%.
Temperature Coefficient, for standard resistance range, of
80 ppm/°C in combination with resistance tolerances as
tight as ±0.1%.
Type MG resistors have demonstrated stability of 0.01%
per 1,000 hours in extended load life testing of standard
resistance range values.
This exceptional performance has been proven through
many years of use in equipment that demands the highest
reliability and stability, including TWT amplifiers, X-ray
systems, geophysical instruments, and medical electronics.
Preconditioning for Power and Voltage Ratings
All power ratings and maximum operating voltage ratings
are for continuous duty. These ratings are based on pre-
stress voltage levels applied during the manufacturing
process to provide for stable resistor performance even
under momentary overload conditions.
Maximum operating voltages 60% higher than the values
listed in the table may be specified by adding "-15" to the
model number (Example: MG750-15). Note that overload
and overvoltage ratings do not apply to the "-15" resistors.
Resistance ranges for "-15" resistors shown in the table are
from "-15 Min." to "Standard Max."
Non-Inductive Performance
Most models are manufactured with Caddock's
Non-Inductive Design which uses a serpentine resistive
pattern that provides for neighboring lines to carry current in
opposite directions, thereby achieving maximum cancellation
of flux fields over the entire length of the resistor. This
efficient non-inductive construction is accomplished without
derating of any performance advantages.
Insulation Resistance: 10,000 Megohms, min.
Overload/Overvoltage: 5 times rated power
with applied voltage not to exceed 1.5 times max-
imum continuous operating voltage for 5 seconds
.
Type 1: DC Voltage
Type 2: DC Voltage or VrmsAC
Thermal Shock: Mil-Std-202, Method 107,
Cond. C, ΔR 0.25% max.
Moisture Resistance: Mil-Std-202, Method 106,
Δ
R 0.4% max.
Load Life: 1,000 hours at +125°C at rated
voltage, not to exceed rated power.
Solderable Leads
Encapsulation: High Temperature Silicone Conformal.
Temperature Coefficient:
Page 1 of 2
28_IL110.1004
RHOPOINT COMPONENTS LTD.
Holland Road
Hurst Green
Oxted, Surrey, RH8 9AX
Tel: +44 (0)1883 717988
Fax: +44 (0)1883 712938
e-mail: sales@rhopointcomponents.com
web: www.rhopointcomponents.com
RHOPOINT COMPONENTS LTD.
IL-110.019
C
B
A
1.500 ± .125
(38.10 ± 3.18)
RATED POWER OR
RATED VOLTAGE, %
AMBIENT TEMPERATURE, °C
100
80
60
40
20
0
25
75
125
175
225 275
For immediate engineering assistance in developing Low Ratio TC matched
high voltage resistor sets, call or write our Applications Engineering and we will
be pleased to offer the best solution from our high voltage resistor product
capabilities.
Derating Curve:
DIMENSIONS IN INCHES AND (MILLIMETERS)
Design Assistance in Developing High Voltage Resistor Sets with
Low TC Tracking.
Ordering Information:
MG750 -100M - 1%
Model Number:
Resistor Value:
Tolerance
MG680
MG712
MG714
MG715
MG725
MG720
MG660
MG716
MG721
MG745
MG810
MG815
MG735
MG730
MG717
MG785
MG731
MG740
Most models are available with
Caddock's Non-inductive Serpentine Pattern
MG650
MG710
MG750
MG780
Certain products shown in this catalog are covered by one or more patents, there are also patents pending.
N Non-inductiveperformance
with Caddock's exclusive design
MG655
Type MG Precision High Voltage Resistors
Page 2 of 2
RHOPOINT COMPONENTS LTD.
Holland Road
Hurst Green
Oxted, Surrey, RH8 9AX
Tel: +44 (0)1883 717988
Fax: +44 (0)1883 712938
e-mail: sales@rhopointcomponents.com
web: www.rhopointcomponents.com
RHOPOINT COMPONENTS LTD.
IL-110.0201
Type MG Precision High Voltage Resistors
Specifications:
Resistance Tolerance:
Temperature Coefficient:
Insulation Resistance: 10,000 Megohms, min.
Overload/Overvoltage: 5 times rated power with
applied voltage not to exceed 1.5 times max-
imum continuous operating voltage for 5 seconds
.
Thermal Shock: Mil-Std-202, Method 107,
Cond. C, R 0.25% max.
Moisture Resistance: Mil-Std-202, Method 106,
R 0.4% max.
Load Life: 1,000 hours at +125°C at rated
voltage, not to exceed rated power.
Solderable Leads
Encapsulation: High Temperature Silicone
Conformal.
Resistance Range
Tolerance
±
1%
±
1%, ±0.5%, ±0.25%, ±0.1%
Standard
St'd with "-15" rating
Extended Range
±
1%
Resistance Range
Overload/Overvoltage, ∆R
N/A
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Models with low inductance construction are in shaded areas.
Models with Caddock's Non-Inductive Resistance Pattern are in non-shaded areas.
Standard and
St'd with "-15"
rating
±
80 ppm/°C from +25°C to +105°C,
-200 ppm/°C to +50 ppm/°C from
-15°C to +25°C.
Resistance
Range
±
80 ppm/°C from -15°C to +105°C,
referenced to +25°C.
TC Specifications
Extended
Range
Resistance Range
Load Life, ∆R
0.8% max.
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Dielect.
Strength
Max.
Continuous
Oper. Volt.
Watt-
age
Model
No.
A
B
C
Dimensions in inches and (millimeters)
Resistance
Standard
Max.
Extended
Max.
Min.
MG650
.313 ±.020
(7.95 ±.51)
.094 ±.015
(2.39 ±.38)
.025 ±.002
(.64 ±.05)
MG655
.313 ±.030
(7.95 ±.76)
.109 ±.025
(2.77 ±.64)
.025 ±.002
(.64 ±.05)
MG660
.500 ±.030
(12.70 ±.76)
.094 ±.015
(2.39 ±.38)
.025 ±.002
(.64 ±.05)
MG680
.750 ±.030
(19.05 ±.76)
.094 ±.015
(2.39 ±.38)
.025 ±.002
(.64 ±.05)
MG710
1.000 ±.040
(25.40 ±1.02)
.094 ±.015
(2.39 ±.38)
.025 ±.002
(.64 ±.05)
MG712
.400 ±.060
(10.16 ±.152)
.140 ±.030
(3.56 ±.76)
.025 ±.002
(.64 ±.05)
MG714
.562 ±.060
(14.27 ±1.52)
.150 ±.030
(3.81 ±.76)
.032 ±.002
(.81 ±.05)
MG715
.750 ±.060
(19.05 ±1.52)
.140 ±.030
(3.56 ±.76)
.025 ±.002
(.64 ±.05)
MG716
1.000 ±.060
(25.40 ±1.52)
.140 ±.030
(3.56 ±.76)
.025 ±.002
(.64 ±.05)
MG717
.710 ±.050
(18.03 ±1.27)
.240 ±.030
(6.10 ±.76)
.040 ±.002
(1.02 ±.05)
MG720
1.500 ±.080
(38.10 ±2.03)
.140 ±.030
(3.56 ±.76)
.025 ±.002
(.64 ±.05)
MG721
1.000 ±.050
(25.40 ±1.27)
.240 ±.030
(6.10 ±.76)
.040 ±.002
(1.02 ±.05)
MG725
2.000 ±.080
(50.80 ±2.03)
.140 ±.030
(3.56 ±.76)
.025 ±.002
(.64 ±.05)
MG730
1.500 ±.080
(38.10 ±2.03)
.240 ±.030
(6.10 ±.76)
.040 ±.002
(1.02 ±.05)
MG731
1.000 ±.060
(25.40 ±1.52)
.315 ±.030
(8.00 ±.76)
.040 ±.002
(1.02 ±.05)
MG735
2.000 ±.080
(50.80 ±2.03)
.240 ±.030
(6.10 ±.76)
.040 ±.002
(1.02 ±.05)
MG740
1.500 ±.060
(38.10 ±1.52)
.315 ±.030
(8.00 ±.76)
.040 ±.002
(1.02 ±.05)
MG745
3.000 ±.100
(76.20 ±2.54)
.240 ±.030
(6.10 ±.76)
.040 ±.002
(1.02 ±.05)
MG750
2.125 ±.060
(53.98 ±1.52)
.315 ±.030
(8.00 ±.76)
.040 ±.002
(1.02 ±.05)
MG780
3.125 ±.060
(79.38 ±1.52)
.315 ±.030
(8.00 ±.76)
.040 ±.002
(1.02 ±.05)
MG785
4.000 ±.120
(101.60 ±3.05)
.315 ±.030
(8.00 ±.76)
.040 ±.002
(1.02 ±.05)
MG810
5.000 ±.120
(127.00 ±3.05)
.315 ±.030
(8.00 ±.76)
.040 ±.002
(1.02 ±.05)
MG815
6.000 ±.120
(152.40 ±3.05)
.350 ±.040
(8.89 ±1.02)
.040 ±.002
(1.02 ±.05)
.5
.5
.6
.8
1.0
.6
1.0
1.0
1.5
1.5
2.0
2.0
2.5
3.0
2.6
3.6
3.6
5.0
5.0
7.5
8.0
10.0
15.0
600
600
1,000
2,000
4,000
1,000
1,000
2,000
4,000
2,000
6,000
4,000
10,000
6,000
4,000
10,000
6,000
15,000
10,000
15,000
20,000
25,000
30,000
750
750
750
750
750
750
750
750
750
750
750
750
750
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
200 Ω
200 Ω
400 Ω
600 Ω
800 Ω
800 Ω
200 Ω
400 Ω
600 Ω
600 Ω
1 K
200 Ω
1.5 K
500 Ω
200 Ω
750 Ω
300 Ω
1 K
400 Ω
600 Ω
800 Ω
1 K
1 K
5 Meg
8 Meg
10 Meg
20 Meg
50 Meg
20 Meg
20 Meg
50 Meg
75 Meg
75 Meg
150 Meg
100 Meg
200 Meg
250 Meg
150 Meg
300 Meg
300 Meg
500 Meg
500 Meg
750 Meg
1,000 Meg
1,250 Meg
2,000 Meg
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
225 M
N/A
300 M
N/A
750 M
750 M
1,000 M
1,500 M
1,500 M
2,500 M
3,750 M
5,000 M
6,250 M
10,000 M
-15
Min.
6.5 Meg
N/A
N/A
N/A
N/A
N/A
N/A
26 Meg
70 Meg
17 Meg
N/A
51 Meg
N/A
77 Meg
40 Meg
178 Meg
64 Meg
288 Meg
128 Meg
192 Meg
320 Meg
400 Meg
384 Meg
Now with Extended Resistance Range to 10,000 Megohms and Additional Models
Temperature Coefficient as tight as 80 ppm/°C, Combined with Excellent Long-Term Stability, and Precision Tolerances.
Caddock's Micronox® resistance films are the source of the
Type MG Precision High Voltage Resistors' outstanding
combination of performance features:
• Single-resistor values as high as 10,000 Megohms.
• Maximum continuous operating voltages as high as
48,000 volts ("-15" Ratings).
• Overvoltage capabilities of 150% of standard working
voltages for all models and values, (except "-15" ratings).
• Resistance Tolerances from ±1.0% to ±0.1%.
• Temperature Coefficient, for standard resistance range, of
80 ppm/°C in combination with resistance tolerances as
tight as ±0.1%.
• Typical extended life stability of 0.02% per 1,000 hours
for standard resistance range as demonstrated by
reliability testing.
This exceptional performance has been proven through
many years of use in equipment that demands the highest
reliability and stability, including TWT amplifiers, X-ray systems,
geophysical instruments and medical electronics
.
Preconditioning for Power and Voltage Ratings
All power ratings and maximum operating voltage ratings are
for continuous duty. These ratings are based on pre-stress
voltage levels applied during the manufacturing process to
provide for stable resistor performance even under momentary
overload conditions.
Maximum operating voltages 60% higher than the values
listed in the table may be specified by adding "-15" to the model
number (Example: MG750-15). Note that overload and
overvoltage ratings do not apply to the "-15" resistors.
Resistance ranges for "-15" resistors shown in the table are from
"-15 Min." to "Standard Max."
Non-Inductive Performance
Most models are manufactured with Caddock's Non-
Inductive Design which uses a serpentine resistive pattern that
provides for neighboring lines to carry current in opposite
directions, thereby achieving maximum cancellation of flux fields
over the entire length of the resistor. This efficient non-inductive
construction is accomplished without derating of any
performance advantages.
Page 1 of 2
© 2002 Caddock Electronics, Inc.
RHOPOINT COMPONENTS LTD
web: www.rhopointcomponents.com
e-mail: sales@rhopointcomponents.com
RHOPOINT COMPONENTS LTD
Holland Road, Hurst Green,
Oxted, Surrey, RH8 9AX
Phone: +44 (0) 1883 717988
Fax: +44 (0) 1883 712938
CD2015FC Standard Resistance Values:
Tolerance CD2015FC ±1% Standard.
CD2520FC Standard Resistance Values:
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
Tolerance CD2520FC ±1% Standard.
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
Custom resistance values and non-standard tolerances
can be manufactured for high quantity applications.
Please contact Caddock Applications Engineering.
Recommended Circuit Board Layout
(current and sense connections):
Fig. 1A: Recommended Kelvin layout.
0.20 Ω
0.010 Ω
Model
Resistance
Min.
Max.
Power Capability Information
CD2015FC
CD2520FC
0.20 Ω
0.010 Ω
150°C
1.0 Watt
Max. Chip
Temperature
General Applications High Power Applications
Thermal Resistance -
RθJC
Film (J) to Solder Pad (C)
(see note 2)
12.0°C/Watt
Power Rating
at 70° C
(see note 1)
9.0°C/Watt
150°C
Dimensions in inches and (millimeters)
.200 ±.012
(5.08 ±.30
A
B
D
.150 ±.012
(3.81 ±.30)
.062 min.
(1.57 min.)
C
.063 ±.006
(1.60 ±.15)
.250 ±.012
(6.35 ±.30)
.200 ±.012
(5.08 ±.30)
.078 min.
(1.98 min.)
.063 ±.006
(1.60 ±.15
Comments
Solderable Pedestal
Solderable Pedestal
1.5 Watts
Type CD Low Resistance Precision Chip Resistors
Style FC - Flip Chip Version is a surface mount version with solderable pedestal terminals for flip chip soldering.
Note 1: General Applications - The power rating for
general applications is based upon 0.5 sq. in. (300
mm2) of termination pad or trace area (2 oz. copper)
connected to each end of the resistor. Maximum chip
temperature is 150°C. Use Derating Curve to derate
appropriately for the maximum ambient temperature
and for the temperature limitations of the adjacent
materials.
Note 2: Thermal Resistance - In High Power Applications where the circuit board material
provides high heat sinking benefits (such as IMS, Alumina, or other) the thermal resistance of
the chip resistor is useful to establish the maximum power capability of the chip resistor in the
application. The film temperature is measured at the center of the resistor element and solder
pad temperature at the center of the solderable pedestal (point X in the recommended circuit
layouts shown below). Maximum temperature of the chip resistor (at the center of chip)
should not exceed 150°C through the temperature range of the application
.
Style FC Derating Curve For General Application
AMBIENT TEMPERATURE, C
o
100
80
60
40
20
0
25
100
150
70
C = Current connection
S = Sense connection
Note: Actual width of current trace is based on
magnitudeofcurrent. Pointof connectionshould
be in the area shown.
Low Resistance Chip down to 0.010 at ±1% with unique Pedestal Terminal Design
for Current Sense in Hybrid and SMT Applications
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
S S
X
X
C
C
Type CD Low Resistance Precision Chip Resistors utilize the proven
Caddock Micronox® resistance films to achieve the unique low resistance
range in this family. The special performance features of the Type CD
Low Resistance Precision Film Resistor include:
Style FC - Flip Chip version for surface mount applications.
Style WB - Wire Bond version for hybrid applications with metallized
back surface for solder down heat sinking of the chip, includes
bondable terminatipedestals to receive aluminum wire bonds
• Resistance as low as 0.010 ohm at ±1%.
• Pedestal terminals in this design provide an ultra low resistance
connection pad which maintains the precision 0.010Ω ±1% at the
point of customer Kelvin connection to the resistor chip. The pedestal
terminal with its copper core also provides heat spreading which
enhances the high power handling capability.
• Thermal resistance is provided to optimize high power designs when
utilizing higher thermal conductivity circuit board substrates such as IMS or Alumina.
• High pulse handling and overload capability.
• Low inductance provides excellent high frequency and pulse response.
Page 1 of 2
27.1 IL107.0802
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CAD
K
DOC
Type MG Precision High Voltage Resistors
Specifications:
Resistance Tolerance:
Resistance Range
Tolerance
1%
1%, �0.5%, �0.25%, �0.1%
Standard
St'd with "-15" rating
Extended Range
1%
Resistance Range
Overload/Overvoltage, �R
N/A
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Models with low inductance construction are in shaded areas.
Models with Caddock's Non-Inductive Resistance Pattern are in non-shaded areas.
Standard and
St'd with "-15"
rating
80 ppm/�C from +25�C to +105�C,
-200 ppm/�C to +50 ppm/�C from
-15�C to +25�C.
Resistance
Range
80 ppm/�C from -15�C to +105�C,
referenced to +25�C.
TC Specifications
Extended
Range
Resistance Range
Load Life, �R
0.8% max.
0.5% max.
Standard
St'd with "-15" rating
Extended Range
0.8% max.
Dielect.
Strength
Max.
Continuous
Oper. Volt.
Watt-
age
Model
No.
A
B
C
Dimensions in inches and (millimeters)
Resistance
Standard
Max.
Extended
Max.
Min.
MG650
.313 �.020
(7.95 �.51)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG655
.313 �.030
(7.95 �.76)
.109 �.025
(2.77 �.64)
.025 �.002
(.64 �.05)
MG660
.500 �.030
(12.70 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG680
.750 �.030
(19.05 �.76)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG710
1.000 �.040
(25.40 �1.02)
.094 �.015
(2.39 �.38)
.025 �.002
(.64 �.05)
MG712
.400 �.060
(10.16 �.152)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG714
.562 �.060
(14.27 �1.52)
.150 �.030
(3.81 �.76)
.032 �.002
(.81 �.05)
MG715
.750 �.060
(19.05 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG716
1.000 �.060
(25.40 �1.52)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG717
.710 �.050
(18.03 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG720
1.500 �.080
(38.10 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG721
1.000 �.050
(25.40 �1.27)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG725
2.000 �.080
(50.80 �2.03)
.140 �.030
(3.56 �.76)
.025 �.002
(.64 �.05)
MG730
1.500 �.080
(38.10 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG731
1.000 �.060
(25.40 �1.52)
.315 �
.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG735
2.000 �.080
(50.80 �2.03)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG740
1.500 �.060
(38.10 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG745
3.000 �.100
(76.20 �2.54)
.240 �.030
(6.10 �.76)
.040 �.002
(1.02 �.05)
MG750
2.125 �.060
(53.98 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG780
3.125 �.060
(79.38 �1.52)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG785
4.000 �.120
(101.60 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG810
5.000 �.120
(127.00 �3.05)
.315 �.030
(8.00 �.76)
.040 �.002
(1.02 �.05)
MG815
6.000 �.120
(152.40 �3.05)
.350 �.040
(8.89 �1.02)
.040 �.002
(1.02 �.05)
0.5
0.5
0.6
0.8
1.0
0.6
1.0
1.0
1.5
1.5
2.0
2.0
2.5
3.0
2.6
3.6
3.6
5.0
5.0
7.5
8.0
10.0
15.0
600
600
1,000
2,000
4,000
1,000
1,000
2,000
4,000
2,000
6,000
4,000
10,000
6,000
4,000
10,000
6,000
15,000
10,000
15,000
20,000
25,000
30,000
750
750
750
750
750
750
750
750
750
750
750
750
750
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
200 �
200 �
400 �
600 �
800 �
800 �
200 �
400 �
600 �
600 �
1 K
200 �
1.5 K
500 �
200 �
750 �
300 �
1 K
400 �
600 �
800 �
1 K
1 K
5 Meg
8 Meg
10 Meg
20 Meg
50 Meg
20 Meg
20 Meg
50 Meg
75 Meg
75 Meg
150 Meg
100 Meg
200 Meg
250 Meg
150 Meg
300 Meg
300 Meg
500 Meg
500 Meg
750 Meg
1,000 Meg
1,250 Meg
2,000 Meg
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
225 M
N/A
300 M
N/A
750 M
750 M
1,000 M
1,500 M
1,500 M
2,500 M
3,750 M
5,000 M
6,250 M
10,000 M
-15
Min.
6.5 Meg
N/A
N/A
N/A
N/A
N/A
N/A
26 Meg
70 Meg
17 Meg
N/A
51 Meg
N/A
77 Meg
40 Meg
178 Meg
64 Meg
288 Meg
128 Meg
192 Meg
320 Meg
400 Meg
384 Meg
Overload
Rating
Type 1
Type 1
Type 1
Type 1
Type 1
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Now with Extended Resistance Range to 10,000 Megohms and Additional Models
Temperature Coefficient as tight as 80 ppm/°C, Combined with Excellent Long-Term Stability and Precision Tolerances.
Caddock's Micronox® resistance films are the source of
the Type MG Precision High Voltage Resistors' outstanding
combination of performance features:
Single-resistor values as high as 10,000 Megohms.
Maximum continuous operating voltages as high as
48,000 volts ("-15" ratings).
Overvoltage capabilities of 150% of standard working
voltages for all models and values, (except "-15" ratings).
Resistance Tolerances from ±1.0% to ±0.1%.
Temperature Coefficient, for standard resistance range, of
80 ppm/°C in combination with resistance tolerances as
tight as ±0.1%.
Type MG resistors have demonstrated stability of 0.01%
per 1,000 hours in extended load life testing of standard
resistance range values.
This exceptional performance has been proven through
many years of use in equipment that demands the highest
reliability and stability, including TWT amplifiers, X-ray
systems, geophysical instruments, and medical electronics.
Preconditioning for Power and Voltage Ratings
All power ratings and maximum operating voltage ratings
are for continuous duty. These ratings are based on pre-
stress voltage levels applied during the manufacturing
process to provide for stable resistor performance even
under momentary overload conditions.
Maximum operating voltages 60% higher than the values
listed in the table may be specified by adding "-15" to the
model number (Example: MG750-15). Note that overload
and overvoltage ratings do not apply to the "-15" resistors.
Resistance ranges for "-15" resistors shown in the table are
from "-15 Min." to "Standard Max."
Non-Inductive Performance
Most models are manufactured with Caddock's
Non-Inductive Design which uses a serpentine resistive
pattern that provides for neighboring lines to carry current in
opposite directions, thereby achieving maximum cancellation
of flux fields over the entire length of the resistor. This
efficient non-inductive construction is accomplished without
derating of any performance advantages.
Insulation Resistance: 10,000 Megohms, min.
Overload/Overvoltage: 5 times rated power
with applied voltage not to exceed 1.5 times max-
imum continuous operating voltage for 5 seconds
.
Type 1: DC Voltage
Type 2: DC Voltage or VrmsAC
Thermal Shock: Mil-Std-202, Method 107,
Cond. C, ΔR 0.25% max.
Moisture Resistance: Mil-Std-202, Method 106,
Δ
R 0.4% max.
Load Life: 1,000 hours at +125°C at rated
voltage, not to exceed rated power.
Solderable Leads
Encapsulation: High Temperature Silicone Conformal.
Temperature Coefficient:
Page 1 of 2
28_IL110.1004
© 2002 Caddock Electronics, Inc.
RHOPOINT COMPONENTS LTD
web: www.rhopointcomponents.com
e-mail: sales@rhopointcomponents.com
RHOPOINT COMPONENTS LTD
Holland Road, Hurst Green,
Oxted, Surrey, RH8 9AX
Phone: +44 (0) 1883 717988
Fax: +44 (0) 1883 712938
CD2015FC Standard Resistance Values:
Tolerance CD2015FC ±1% Standard.
CD2520FC Standard Resistance Values:
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
Tolerance CD2520FC ±1% Standard.
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
Custom resistance values and non-standard tolerances
can be manufactured for high quantity applications.
Please contact Caddock Applications Engineering.
Recommended Circuit Board Layout
(current and sense connections):
Fig. 1A: Recommended Kelvin layout.
0.20 Ω
0.010 Ω
Model
Resistance
Min.
Max.
Power Capability Information
CD2015FC
CD2520FC
0.20 Ω
0.010 Ω
150°C
1.0 Watt
Max. Chip
Temperature
General Applications High Power Applications
Thermal Resistance -
RθJC
Film (J) to Solder Pad (C)
(see note 2)
12.0°C/Watt
Power Rating
at 70° C
(see note 1)
9.0°C/Watt
150°C
Dimensions in inches and (millimeters)
.200 ±.012
(5.08 ±.30
A
B
D
.150 ±.012
(3.81 ±.30)
.062 min.
(1.57 min.)
C
.063 ±.006
(1.60 ±.15)
.250 ±.012
(6.35 ±.30)
.200 ±.012
(5.08 ±.30)
.078 min.
(1.98 min.)
.063 ±.006
(1.60 ±.15
Comments
Solderable Pedestal
Solderable Pedestal
1.5 Watts
Type CD Low Resistance Precision Chip Resistors
Style FC - Flip Chip Version is a surface mount version with solderable pedestal terminals for flip chip soldering.
Note 1: General Applications - The power rating for
general applications is based upon 0.5 sq. in. (300
mm2) of termination pad or trace area (2 oz. copper)
connected to each end of the resistor. Maximum chip
temperature is 150°C. Use Derating Curve to derate
appropriately for the maximum ambient temperature
and for the temperature limitations of the adjacent
materials.
Note 2: Thermal Resistance - In High Power Applications where the circuit board material
provides high heat sinking benefits (such as IMS, Alumina, or other) the thermal resistance of
the chip resistor is useful to establish the maximum power capability of the chip resistor in the
application. The film temperature is measured at the center of the resistor element and solder
pad temperature at the center of the solderable pedestal (point X in the recommended circuit
layouts shown below). Maximum temperature of the chip resistor (at the center of chip)
should not exceed 150°C through the temperature range of the application
.
Style FC Derating Curve For General Application
AMBIENT TEMPERATURE, C
o
100
80
60
40
20
0
25
100
150
70
C = Current connection
S = Sense connection
Note: Actual width of current trace is based on
magnitudeofcurrent. Pointof connectionshould
be in the area shown.
Low Resistance Chip down to 0.010 at ±1% with unique Pedestal Terminal Design
for Current Sense in Hybrid and SMT Applications
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
S S
X
X
C
C
Type CD Low Resistance Precision Chip Resistors utilize the proven
Caddock Micronox® resistance films to achieve the unique low resistance
range in this family. The special performance features of the Type CD
Low Resistance Precision Film Resistor include:
Style FC - Flip Chip version for surface mount applications.
Style WB - Wire Bond version for hybrid applications with metallized
back surface for solder down heat sinking of the chip, includes
bondable terminatipedestals to receive aluminum wire bonds
• Resistance as low as 0.010 ohm at ±1%.
• Pedestal terminals in this design provide an ultra low resistance
connection pad which maintains the precision 0.010Ω ±1% at the
point of customer Kelvin connection to the resistor chip. The pedestal
terminal with its copper core also provides heat spreading which
enhances the high power handling capability.
• Thermal resistance is provided to optimize high power designs when
utilizing higher thermal conductivity circuit board substrates such as IMS or Alumina.
• High pulse handling and overload capability.
• Low inductance provides excellent high frequency and pulse response.
Page 1 of 2
27.1 IL107.0802
© 2002 Caddock Electronics, Inc.
RHOPOINT COMPONENTS LTD
web: www.rhopointcomponents.com
e-mail: sales@rhopointcomponents.com
RHOPOINT COMPONENTS LTD
Holland Road, Hurst Green,
Oxted, Surrey, RH8 9AX
Phone: +44 (0) 1883 717988
Fax: +44 (0) 1883 712938
CD2015FC Standard Resistance Values:
Tolerance CD2015FC ±1% Standard.
CD2520FC Standard Resistance Values:
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
Tolerance CD2520FC ±1% Standard.
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
Custom resistance values and non-standard tolerances
can be manufactured for high quantity applications.
Please contact Caddock Applications Engineering.
Recommended Circuit Board Layout
(current and sense connections):
Fig. 1A: Recommended Kelvin layout.
0.20 Ω
0.010 Ω
Model
Resistance
Min.
Max.
Power Capability Information
CD2015FC
CD2520FC
0.20 Ω
0.010 Ω
150°C
1.0 Watt
Max. Chip
Temperature
General Applications High Power Applications
Thermal Resistance -
RθJC
Film (J) to Solder Pad (C)
(see note 2)
12.0°C/Watt
Power Rating
at 70° C
(see note 1)
9.0°C/Watt
150°C
Dimensions in inches and (millimeters)
.200 ±.012
(5.08 ±.30
A
B
D
.150 ±.012
(3.81 ±.30)
.062 min.
(1.57 min.)
C
.063 ±.006
(1.60 ±.15)
.250 ±.012
(6.35 ±.30)
.200 ±.012
(5.08 ±.30)
.078 min.
(1.98 min.)
.063 ±.006
(1.60 ±.15
Comments
Solderable Pedestal
Solderable Pedestal
1.5 Watts
Type CD Low Resistance Precision Chip Resistors
Style FC - Flip Chip Version is a surface mount version with solderable pedestal terminals for flip chip soldering.
Note 1: General Applications - The power rating for
general applications is based upon 0.5 sq. in. (300
mm2) of termination pad or trace area (2 oz. copper)
connected to each end of the resistor. Maximum chip
temperature is 150°C. Use Derating Curve to derate
appropriately for the maximum ambient temperature
and for the temperature limitations of the adjacent
materials.
Note 2: Thermal Resistance - In High Power Applications where the circuit board material
provides high heat sinking benefits (such as IMS, Alumina, or other) the thermal resistance of
the chip resistor is useful to establish the maximum power capability of the chip resistor in the
application. The film temperature is measured at the center of the resistor element and solder
pad temperature at the center of the solderable pedestal (point X in the recommended circuit
layouts shown below). Maximum temperature of the chip resistor (at the center of chip)
should not exceed 150°C through the temperature range of the application
.
Style FC Derating Curve For General Application
AMBIENT TEMPERATURE, C
o
100
80
60
40
20
0
25
100
150
70
C = Current connection
S = Sense connection
Note: Actual width of current trace is based on
magnitudeofcurrent. Pointof connectionshould
be in the area shown.
Low Resistance Chip down to 0.010 at ±1% with unique Pedestal Terminal Design
for Current Sense in Hybrid and SMT Applications
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
S S
X
X
C
C
Type CD Low Resistance Precision Chip Resistors utilize the proven
Caddock Micronox® resistance films to achieve the unique low resistance
range in this family. The special performance features of the Type CD
Low Resistance Precision Film Resistor include:
Style FC - Flip Chip version for surface mount applications.
Style WB - Wire Bond version for hybrid applications with metallized
back surface for solder down heat sinking of the chip, includes
bondable terminatipedestals to receive aluminum wire bonds
• Resistance as low as 0.010 ohm at ±1%.
• Pedestal terminals in this design provide an ultra low resistance
connection pad which maintains the precision 0.010Ω ±1% at the
point of customer Kelvin connection to the resistor chip. The pedestal
terminal with its copper core also provides heat spreading which
enhances the high power handling capability.
• Thermal resistance is provided to optimize high power designs when
utilizing higher thermal conductivity circuit board substrates such as IMS or Alumina.
• High pulse handling and overload capability.
• Low inductance provides excellent high frequency and pulse response.
Page 1 of 2
27.1 IL107.0802
© 2002 Caddock Electronics, Inc.
RHOPOINT COMPONENTS LTD
web: www.rhopointcomponents.com
e-mail: sales@rhopointcomponents.com
RHOPOINT COMPONENTS LTD
Holland Road, Hurst Green,
Oxted, Surrey, RH8 9AX
Phone: +44 (0) 1883 717988
Fax: +44 (0) 1883 712938
CD2015FC Standard Resistance Values:
Tolerance CD2015FC ±1% Standard.
CD2520FC Standard Resistance Values:
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
Tolerance CD2520FC ±1% Standard.
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
Custom resistance values and non-standard tolerances
can be manufactured for high quantity applications.
Please contact Caddock Applications Engineering.
Recommended Circuit Board Layout
(current and sense connections):
Fig. 1A: Recommended Kelvin layout.
0.20 Ω
0.010 Ω
Model
Resistance
Min.
Max.
Power Capability Information
CD2015FC
CD2520FC
0.20 Ω
0.010 Ω
150°C
1.0 Watt
Max. Chip
Temperature
General Applications High Power Applications
Thermal Resistance -
RθJC
Film (J) to Solder Pad (C)
(see note 2)
12.0°C/Watt
Power Rating
at 70° C
(see note 1)
9.0°C/Watt
150°C
Dimensions in inches and (millimeters)
.200 ±.012
(5.08 ±.30
A
B
D
.150 ±.012
(3.81 ±.30)
.062 min.
(1.57 min.)
C
.063 ±.006
(1.60 ±.15)
.250 ±.012
(6.35 ±.30)
.200 ±.012
(5.08 ±.30)
.078 min.
(1.98 min.)
.063 ±.006
(1.60 ±.15
Comments
Solderable Pedestal
Solderable Pedestal
1.5 Watts
Type CD Low Resistance Precision Chip Resistors
Style FC - Flip Chip Version is a surface mount version with solderable pedestal terminals for flip chip soldering.
Note 1: General Applications - The power rating for
general applications is based upon 0.5 sq. in. (300
mm2) of termination pad or trace area (2 oz. copper)
connected to each end of the resistor. Maximum chip
temperature is 150°C. Use Derating Curve to derate
appropriately for the maximum ambient temperature
and for the temperature limitations of the adjacent
materials.
Note 2: Thermal Resistance - In High Power Applications where the circuit board material
provides high heat sinking benefits (such as IMS, Alumina, or other) the thermal resistance of
the chip resistor is useful to establish the maximum power capability of the chip resistor in the
application. The film temperature is measured at the center of the resistor element and solder
pad temperature at the center of the solderable pedestal (point X in the recommended circuit
layouts shown below). Maximum temperature of the chip resistor (at the center of chip)
should not exceed 150°C through the temperature range of the application
.
Style FC Derating Curve For General Application
AMBIENT TEMPERATURE, C
o
100
80
60
40
20
0
25
100
150
70
C = Current connection
S = Sense connection
Note: Actual width of current trace is based on
magnitudeofcurrent. Pointof connectionshould
be in the area shown.
Low Resistance Chip down to 0.010 at ±1% with unique Pedestal Terminal Design
for Current Sense in Hybrid and SMT Applications
0.010 Ω
0.015 Ω
0.020 Ω
0.025 Ω
0.030 Ω
0.033 Ω
0.040 Ω
0.050 Ω
0.075 Ω
0.10 Ω
0.20 Ω
S S
X
X
C
C
Type CD Low Resistance Precision Chip Resistors utilize the proven
Caddock Micronox® resistance films to achieve the unique low resistance
range in this family. The special performance features of the Type CD
Low Resistance Precision Film Resistor include:
Style FC - Flip Chip version for surface mount applications.
Style WB - Wire Bond version for hybrid applications with metallized
back surface for solder down heat sinking of the chip, includes
bondable terminatipedestals to receive aluminum wire bonds
• Resistance as low as 0.010 ohm at ±1%.
• Pedestal terminals in this design provide an ultra low resistance
connection pad which maintains the precision 0.010Ω ±1% at the
point of customer Kelvin connection to the resistor chip. The pedestal
terminal with its copper core also provides heat spreading which
enhances the high power handling capability.
• Thermal resistance is provided to optimize high power designs when
utilizing higher thermal conductivity circuit board substrates such as IMS or Alumina.
• High pulse handling and overload capability.
• Low inductance provides excellent high frequency and pulse response.
Page 1 of 2
27.1 IL107.0802


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