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| LESHAN RADIO COMPANY, LTD. 1N4933 - 1N4937 1A 1A FAST RECOVERY DIODES Maximum Average Maximum Rectified Current Forward Peak @ Half-Wave Surge Current @ Resistive Load 60Hz 8.3ms Superimposed I O@ T L A AV C I FM (Surge) A PK Maximum Reverse Current @ PRV @ TA=25C I R TYPE Maximum Peak Reverse Voltage PRV V PK Maximum Forward Voltage @ TA=25C I FM A PK V FM V PK Maximum Reverse Recovery Time Trr ns Package Dimensions Adc 1N4933 1N4934 1N4935 1N4936 1N4937 50 100 200 400 600 1.0 75 30 5.0 1.0 1.2 150 DO - 41 Trr I F = 0.5A, I R = 1.0A, I RR = 0.25A Trr Test Conditions: I F = 0.5A, I R = 1.0A, I RR = 0.25A 1.0(25.4) MIN .205(5.2) .166(4.2) 1.0(25.4) MIN .034(0.9) .028(0.7) DIA .107(2.7) DIA .080(2.0) DO - 41 13A-1/2 LESHAN RADIO COMPANY, LTD. 1N4933 - 1N4937 RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES FIG.1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 38H/1.4 8 115Va 10K 60Hz 2W 7 3 6 C.P.CLARE HPG1002 5 4 1 AMP SLO BLO FUSE C1 I.0F 300V R2 1 10W NON INSUCTIVE 1 2 UNIT UNDER TEST 1.0Adc FROM CONSTANT VOLTAGE SUPPLY RIPPLE=3mVrms MAX 0 3050W NON INDUCTIVE IFM 1.0 Trr i(t) di/dt=50A/s IRM(REC) 1cm 30Vdc C O N S TA N T VOLTAGE SUPPLY SET TIME BASE FOR 50/100ns/cm MINIMIZE ALL LEAS LENGTHS Zout 1.5 MAX DC to 2KHz AVERAGE FORWARD CURRENT,(A) A TEKTRONIX 545A.K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1 ADJUSTED FOR 1.4 BETWEEN POINT 2 OF RELAY AND RECTIFIER INDUCTIVE =38H R2 TEN 1W 10% CARBON CORE IN PARALLEL TA 25 +10 C FOR RECTIFIER O FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE 1.0 .8 .6 .4 .2 0 0 50 100 150 175 AMBIENT TEMPER ATURE, (C) Single Phase Half Wave 60Hz Resistive or Inductive Load FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 INSTANTANEOUS FORWARD CURRENT,(A) TJ =25C 1.0 0.1 Pulse Width=300s 1% Duty Cycle .01 .6 .8 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE,(V) 1.4 FIG. 4 - MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT 50 PEAK FORWARD SURGE CURRENT,(A) FIG. 5 - TYPICAL JUNCTION CAPACITANCE 200 JUNCTION CAPACITANCE,(pF) 40 8.3ms Single Half Sine-Wave (JEDEC Method) 100 60 40 20 10 6 4 2 1 TJ =25C 30 20 10 0 1 2 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60Hz .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE,(V) 13A-2/2 |
Price & Availability of IN4937
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