TEL 1N4948, 1N4948, 1N4947, 1N4947, 1N4946 Datasheet
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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 TA=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
DO-41
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
1.0 A
.375"(9.5mm) lead length at TA=55
Peak Forward Surge Current 8.3ms single half
30 A
sine
wave superimposed on rated load(JECEC method)
Maximum Forward Voltage at 1.0A 1.3 V
Maximum Reverse Current TJ=25
at Rated DC Blocking Voltage TJ=100
Typical Junction capacitance (Note 1) 12
5.0
500
A
A
F
P
Maximum Reverse Recovery Time(Note 2) 150 150 250 250 250 ns
Typical Thermal Resistance (Note 3) RJA 41 /W
Operating and Storage Temperature Range -55 to +150
NOTES:
1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC
2. Reverse Recovery Test Conditions: IF=.5A, IR=1A, Irr=.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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