Dated : 29/10/2003
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
1N4933 THRU 1N4937
FAST SWITCHING PLASTIC RECTIFIERS
Reverse Voltage – 50 to 600 Volts
Forward Current – 1.0 Ampere
Features
• Plastic package has Underwriters Laboratory
• Flammability Classification 94V-0
• Fast switching for high efficiency
• Construction utilizes void-free molded plastic technique
• 1.0 ampere operation at TA = 75℃ with no thermal
• runaway
• High temperature soldering guaranteed:
• 250℃/10 seconds, 0.375” (9.5mm) lead length,
• 5 lbs. (2.3kg) tension
• Case : Molded plastic, DO-41
Absolute Maximum Ratings and Characteristics
Ratings at 25℃ ambient temperature unless otherwise specified.
Symbols
1N4933
1N4934
1N4935
1N4936
1N4937
Units
Maximum repetitive peak reverse voltage
VRRM
50
100
200
400
600
Volts
Maximum RMS voltage
VRMS
35
70
140
280
420
Volts
Maximum DC blocking voltage
VCD
50
100
200
400
600
Volts
Maximum average forward rectified current
0.375” ( 9.5mm) lead length at TA = 75
OC
I(AV)
1
Amp
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
at TA = 75
OC
IFSM
30
Amps
Maximum instantaneous forward voltage at 1A
VF
1.2
Volts
Maximum DC reverse current
at rated DC blocking voltage
TA = 25
OC
TA = 100
OC
IR
5
100
µA
Maximum reverse recovery time (Note 1) Tj = 25
OC
Trr
200
nS
Typical junction capacitance (Note 2)
CJ
15
pF
Typical thermal resistance (Note 3)
RΘJA
RΘJL
55
25
OC/W
Operating junction and storage temperature range
TJ ,TS
-50 to +150
OC
Notes:
(1) Reverse recovery test conditions: IF = 0.5A, IR = 1.0A, Irr = 0.25A.
(2) Measured at 1.0MHZ and applied reverse voltage of 4.0 volts.
(3) Thermal resistance from junction to ambient and from junction to lead at 0.375” ( 9.5mm) lead length,
(4) P.C.B.mounted.
DO-41
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