1N4942 thru 1N4948 Revers Voltage 200 to 1000 Volts Fast Recovery Rectifiers Forward Current 1.0 Ampere Features High switching capability Low leakage Low forward voltage drop High current capability High surge current capability TJ is 150oC (Max.) and TSTG is 175oC (Max.) with PI glue Mechanical Data Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.012 ounce, 0.33 gram Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20% Parameter Symbols 1N 4942 1N 4944 1N 4946 1N 4947 1N 4948 Units Maximum repetitive peak reverse voltage VRRM 200 400 600 800 1000 Volts Maximum RMS voltage VRMS 140 280 420 560 700 Volts Maximum DC blocking voltage V DC 200 400 600 800 1000 Volts o Maximum average forward rectified current at TA=75 C IF(AV) 1.0 Amp Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 30.0 Amps Maximum instantaneous forward voltage at 1.0A DC VF 1.3 Volts 5.0 uA 100 uA Maximum DC reverse current at rated DC blocking voltage TA=25oC Maximum full load reverse current full cycle average, .375" (9.5mm) lead length at TL=55oC IR Maximum reverse recovery time (Note 1) trr Typical junction capacitance (Note 2) CJ 15 Operating junction temperature range TJ -55 to +125 o C TSTG -55 to +150 o C Storage temperature range Notes: 150 1. Test Conditions: IF = 1.5A, IR = 1.0A, IRR = 0.25A 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts 125 250 500 nS pF RATINGS AND CHARACTERISTIC CURVES 126