VSI, 1N4933 THRU 1N4937 Voltage Range 1.0 AMP. FAST RECOVERY 50 to 600 Volts RECTIFIERS Current 1.0 Amperes DO-41 Features @ Low forward voltage drop | @ High current capability @ High reliability 1.0(25.4) @ High surge current capabilit MIN. 9 . 9 Paw .107(2.7) Mechanical Data .080(2.0) Cases:Molded plastic DIA.. Ly J e Epoxy:UL 94V-0 rate flame retardant .205(5.2) @ Lead:Axial leads,solderable per MIL- -166(4.2) STD-202,Method 208 guaranteed | @ Polarity:Color band denotes cathode end e High temperature soldering guaranteed: 1.0(25.4) 250C/10 seconds/.375",(9.5mm) lead MIN. lengths at 5 Ibs.,(2.3kg) tension 034(.86)__. | 14 @ Weight:0.34 gram 028(.71) DIA. Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60HZz, resistive or inductive load. For capacitive load, derate current by 20% Type Number 1N4933 1N4934 1N4935 1N4936 1N4937 | UNITS Maximum Repetitive Peak Reverse Voltage VRRM 50 100 200 400 600 Vv Maximum RMS Voltage VRMS 35 70 140 280 420 Vv Maximum DC Blocking Voltage Vpc 50 100 200 400 600 Vv Maximum Average Forward Rectified Current 1.0 A -375"(9.5mm) Lead Length @Ta = 50 C IF(av) Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load IFsm 30 A (JEDEC method) Maximum Instantaneous Forward Voltage VF 1.2 Vv @1.0A Maximun DC Reverse Current @ TA= 25 IR 5.0 uA at Rated DC Blocking Voltage @ TA=100C 100 uA Maximum Reverse Recovery Time (Note 1) TRR 150 nS Typical Junction Capacitance (Note 2) Cy 15 pF Operating Temperature Range Ts -55 to+125 c Storage Temperature Range TstG -55 to+150 cc NOTES: 1. Reverse Recovery Test Conditions: IF=0.5A,IR=1.0A,IRR=0.25A 2.Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C.RATING AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937 TS, AVERAGE FORWARD RECTIFIED CURRENT AMPERES PEAK FORWARD SURGE CURRENT AMPERES JUNCTION CAPACITANCE. (pF) FIG.1- REVERSE RECOVER TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50Q 102 NONINDUCTIVE NONINDUCTIVE WYN AMA VV VY () but (+) PULSE = 50Vde GENERATOR) (approx) (NOTE 2) (-) [ OSCILLOSCOPE S12 (NOTE1) (+) NON INDUCTIVE NOTES:1. Rise Time=7ns max. Input Impedance= > 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms FIG.2-MAXIMUM FORWARD CURRENT DERATING CURVE 30 20 25 50 75 AMBIENT TEMPERATURE. (C) 100 125 150 175 FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT cncratl | | 8.3ms Single Half Sine Wave JEDEC Method nN YN Th 7 -~ 1.0 CYCLE anes 2 4 6 8 10 20 40 60 80100 NUMBER OF CYCLES AT 60Hz FIG.4- TYPICAL JUNCTION CAPACITANCE f=1 MHz Vsig=50mVp-p 10 100 REVERSE VOLTAGE.(V) INSTANTANEOUS FORWARD CURRENT.(A) INSTANTANEOUS REVERSE CURRENT.(mA) +0.5A | -0.25A -1.0A 1 =| om ser TIME BASE FOR 5/ 10ns/ cm FIG.5- TYPICAL FORWARD CHARACTERISTICS 20 10 2 o o o w Pulse Width=300uS 1% Duty Cycle S o o 8 So a 0.8 1.0 1.2 14 1.6 FORWARD VOLTAGE. (V) 18 20 FIG.6-TYPICAL REVERSE CHARACTERISTICS 100 TA=100C 10 1.0 TA=25C 10 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE.(%) 120 140