1N4942 THRU 1N4948
FAST SWITCHING PLASTIC RECTIFIER
VOLTAGE - 200 to 1000 Volts CURRENT - 1.0 Ampere
FEATURES
l
High surge current capability
l
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing
Flame Retardant Epoxy Molding Compound
l
Void-free Plastic in a DO-41 package
l
1.0 ampere operation at T
A
=55 with no thermal runaway
l
Fast switching for high efficiency
l
Exceeds environmental standards of MIL-S-19500/228
MECHANICAL DATA
Case: Molded plastic, DO-41
Terminals: Axial leads, solderable per MIL-STD-202,
Method 208
Polarity: Band denotes cathode
Mounting Position: Any
Weight: 0.012 ounce, 0.3 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1N4942
1N4944
1N4946
1N4947
1N4948
UNITS
Maximum Recurrent Peak Reverse Voltage
200
400
600
800
1000
V
Maximum RMS Voltage
140
280
420
560
700
V
Maximum DC Blocking Voltage
200
400
600
800
1000
V
Maximum Average Forward Rectified Current
.375"(9.5mm) lead length at T
A
=55
1.0
A
Peak Forward Surge Current 8.3ms single half
sine
wave superimposed on rated load(JECEC method)
30
A
Maximum Forward Voltage at 1.0A
1.3
V
Maximum Reverse Current T
J
=25
at Rated DC Blocking Voltage T
J
=100
5.0
500
A
A
Typical Junction capacitance (Note 1)
12
P
F
Maximum Reverse Recovery Time(Note 2)
150
150
250
250
250
ns
Typical Thermal Resistance (Note 3) R JA
41
/W
Operating and Storage Temperature Range
-55 to +150
DO-41
NOTES:
1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC
2. Reverse Recovery Test Conditions: I
F
=.5A, I
R
=1A, I
rr
=.25A
3. Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length P.C.B.
mounted
RATING AND CHARACTERISTIC CURVES
1N4942 THRU 1N4948
Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
Fig. 2-TYPICAL INSTANTANEOUS Fig. 3-FORWARD CURRENT DERATING CURVE
FORWARD CHARACTERISTICS
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