JGD PE] IN4942 THRU IN4948 1.0 AMP. FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 1000 Volts CURRENT 1.0 ampere FEATURES * Low forward voltage drop * High current capability , * High reliability * High surge current capability MECHANICAL DATA _ * Case: Molded plastic * Epoxy: UL 94V - 0 rate flame retardant * Lead: Axial leads, solderable per MIL - STD- 202, method 208 guaranteed * Polarity: Color band denotes cathode end * Mounting Position: Any * Weight:0.34grams DO-41 ) ft 107(2.7) 1.0(25.4) .080(2.0) MIN. ry "| 2056.2) | 466(4.2) 1.0(25.4) MIN. .034(.9) __ - 028(7) DIA. ! | Dimensions in inches and (milimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25C ambient temperature unless otherwise specified. Single phase, haif wave ,60 Hz, resistive or inductive load. For capacitive load, derate current by 20% TYPE NUMBER SYMBOLS | IN4942 | IN4944.| IN4946 | IN4947 | IN4948 | UNITS Maximum Recurrent Peak Reverse Voltage Verm 200 400 600 800 1000 Vv Maximum RMS Voltage Veams 140 280 420 560 700 v Maximum D.C Blocking Voltage Voc 200 400 600 00 1000 Vv Maximum Average Forward Rectified Current | 1.0 A .375" (9.5mm) lead length @ Ta = 55C FAY) Peak Forward Surge Current, 8.3 ms single half sine-wave lesan 5 A superimposed on rated foad( JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A Ve 1.3 v Maximum D.C Reverse Current @ Ty =28T in 1.0 pA at Rated D.C Blocking Voltage @ Ta = 100T 100 pA Maximum Reverse Recovery Time( Note 1) Tar 160 | 20 | 500 nS Typical Junction Capacitance (Note 2) Cy 15 pF Operating Temperature Range Ty -65 to +125 c Storage Temperature Range Tste - 65 to + 150 c NOTES: 1. Reverse Recovery Test Conditions: Ip = 0.5A, Ip =1.0A, Ing =0.25A. 2.Measured at 1 MHz and applied reverse voltage of 4.0V D.C. JINAN GUDE ELECTRONIC DEVICE CO., LTD. AVERAGE FORWARD CURRENT (A) RATINGS AND CHARACTERISTIC CURVES (1N4942 THRU IN4948 ) FIG. 1 - TYPICAL FORWARD CURRENT FIG. 2 - MAXIMUM NON - REPETITIVE DERATING CURVE FORWARD SURGE CURRENT 50 10 =< | Tre25C | | | \ 5 8.3ms Single Half WwW 40 Sine Wave 75 N c (JEDEG Method) \ 3 50 3 30 Single Phase \ a ww Half Wave 60 Hz \ QO 20 .25 [ Resistive or x Imm inductive Load $ MN 0.375(9.5mm) Lead Length fia ae 0 J 10 bs 0 25 50 75 100 125 150 46175 S | AMBIENT TEMPERATURE (Q) g Be neede * 0 2 4 6810 20 40 6080100 NUMBER OF CYCLES AT 60 Hz FIG.3 TYPICAL FORWARD FIG.4 TYPICAL JUNCTION CHARACTERISTICS CAPACITANCE 1% Duty Cycle JUNCTION CAPACITANCE (pF) _, 01 04 8 REVERSE AGE (V) INSTANTANEOUS FORWARD CURRENT (A) : 14 1: FORWARD VOLTAGE (V) FIG.5 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 500 102 eTra 1 NONINDUCTIVE = NONINDUCTIVE +0. Aw put (-) (+) PULSE se 50 Vde GENERATOR] -O. (approx) (NOTE 2) 0 10 OSCILLOSCOPE wm 4: NON. (NOTE 1) INDUCTIVE NOTES: 1 Rise Time=7 ns max. Input Impedance= a 7 megohm 22pF 2 Rise Time=10ns max. Source impedance= BASE FOR 50 ohms 0/150nsicem JINAN GUDE ELECTRONIC DEVICE CO., LTD.