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| LESHAN RADIO COMPANY, LTD. FM4933 - FM4937 1A 1A FAST RECOVERY SMA DIODES Marking VRRM(V) Package Dimensions TYPE IF (A) V F (V) IRMI(A) IP8M(A) Trr(ns) FM4933 FM4934 FM4935 FM4936 FM4937 FM3 FM4 FM5 FM6 FM7 50 100 200 400 600 1.0 1.20 5.0 30 150 DO - 214AC Trr I F =1A, I R = 0.5A, I RR = 0.25A Trr Test Conditions: I F = 1A, I R= 0.5A, I RR = 0.25A G B A H A .110(2.8) .086(2.2) E F D C B .067(1.7) .051(1.3) C .008 MAX (.2) D .091(2.3) .067(1.7) E .051(1.3) .008(0.2) F .059(1.5) .035(0.9) G .209(5.3) .185(4.7) H .059(1.5) .035(0.9) DO - 214AC 48A-1/2 LESHAN RADIO COMPANY, LTD. FM4933 - FM4937 1A RATING & CHARACTERISTIC CURVES OF 1A FAST RECOVERY SMA DIODES FIG.1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 325W 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 I FM i(t) di/dt=50A/ s Trr 3050W NON INDUCTIVE IRM(REC) 1cm 30Vdc CONSTANT VOLTAGE SUPPLY SET TIME BASE FOR 50/100ns/cm MINIMIZE ALL LEAS LENGTHS Zout 1.5 MAX DC to 2KHz 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.3-TYPICAL 10 FORWARD CHARACTERISTICS 0.5 INSTANTANEOUS FORWARD CURRENT,(A) FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE 1 AVERAGE FORWARD CURRENT,(A) 0.4 0.3 .1 TJ =25C Pulse Width =300s 2% Duty Cycle .01 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 0.2 0.1 Resistive or Inductive Load 0.375"(9.5mm) Lead lengths 0 25 50 75 100 125 150 175 0 INSTANTANEOUS FORWARD VOLTAGE,(V) AMBIENT TEMPER ATURE, (C) FIG.5-TYPICAL REVERSE CHARACTERISTICS 20 10 INSTANTANEOUS REVERSE CURRENT (A) FIG.4-TYPICAL JUNCTION CAPACITANCE 10 TJ =125C 1 TJ =75C CAPACITANCE,(pF) 5 TJ = 25C .1 TJ =25C 1 1 5 10 50 100 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) REVERSE VOLTAGE,(V) 48A-2/2 |
Price & Availability of FM4934
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