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LDTS48 bảng dữ liệu(PDF) 1 Page - Microsemi Corporation

tên linh kiện LDTS48
Giải thích chi tiết về linh kiện  HEAVY DUTY (LOAD DUMP) TRANSIENT VOLTAGE SUPPRESSOR
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nhà sản xuất  MICROSEMI [Microsemi Corporation]
Trang chủ  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

LDTS48 bảng dữ liệu(HTML) 1 Page - Microsemi Corporation

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HEAVY DUTY (LOAD DUMP) TRANSIENT
VOLTAGE SUPPRESSOR
SCOTTSD A L E DIVISION
LDTS14 thru LDTS48A
DESCRIPTION
APPEARANCE
This LDTS series is used in automotive and vehicular applications where
further protection may be required for load-dump and field-decay transients.
This type of protection is needed when the battery is disconnected while
the engine and alternator are still operating. This produces prolonged
severe transients requiring additional transient voltage suppressor design
considerations beyond those ratings specified for other conventional TVS
components.
TO-3
(TO-204AD)
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
Unidirectional TVS series for DC power applications
Low Clamping ratio
Working voltage (VWM) range of 14 volts to 48 volts
Hermetically sealed TO-3 package
Low thermal resistance
Dissipates heat from prolonged transients
Consult factory for other package options including
surface mount
LDTS 14 Series – Designed for a standard 12 volt
power system.
LDTS 24 Series – Designed for a standard 12 volt
power system capable of sustaining a 24 volt
(double voltage) jump start.
LDTS 30 Series – Designed for a standard 24 volt
power system.
LDTS 48 Series – Designed for a standard 24 volt
power system capable of sustaining a 48 volt
(double voltage) jump start.
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
3000 Watts of Peak Pulse Power dissipation at 50 ms
(see Figure 1)
tclamping (0 volts to V(BR) min.): Less than 100 pico
seconds (theoretical)
Storage temperature: -50
oC to +200oC
Operating temperature: -50
oC to 175oC (Figure 3)
Forward surge rating: 200 amps, 8.3ms at 25
oC
Steady state power dissipation: 50 watts, TC = 25
oC
Thermal resistance: Less than 1
oC/W
Repetition Rate (duty cycle): 0.1%
CASE: Industry standard TO-3 (TO-204AD)
hermetically sealed, .052 inch diameter pins.
FINISH: All external surfaces are corrosion
resistant and terminals solderable.
POLARITY: Standard polarity anode to case.
WEIGHT: 15 grams (approx.).
MOUNTING HARDWARE: Consult factory for
optional insulator and sheet metal screws
See package dimensions on last page
ELECTRICAL CHARACTERISTICS
MICROSEMI
PART
NUMBER
REVERSE
STANDOFF
VOLTAGE
VWM
VOLTS
MINIMUM
BREAKDOWN
VOLTAGE
V(BR)
@ 20mA
VOLTS
MAXIMUM
CLAMPING
VOLTAGE
@ IPP
VC
VOLTS
MAXIMUM
SURGE
CURRENT
(FIG. 2)
@ IPP
AMPS
MAXIMUM
REVERSE
CURRENT
@ VWM
ID
µA
MAXIMUM
VOLTAGE
TEMP.
VARIATION
VBR
mV/C
LDTS 14
LDTS 14A
14.0
14.0
16.0
16.0
26.0
23.5
115.5
128.0
100.0
100.0
19.0
17.0
LDTS 24
LDTS 24A
24.0
24.0
26.5
26.5
43.0
39.0
70.0
77.0
100.0
100.0
31.0
29.0
LDTS 30
LDTS 30A
30.0
30.0
33.0
33.0
54.0
48.5
56.0
62.0
100.0
100.0
39.0
36.0
LDTS 48
LDTS 48A
48.0
48.0
53.0
53.0
86.0
78.0
34.0
38.0
100.0
100.0
55.0
50.0
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
Copyright
 2003
11-12-03 REV A


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