1F4

LESHAN RADIO COMPANY, LTD. 1F1 – 1F7 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 ºC I FM (Surge) A PK Maximum Reverse Current @ PRV @ TA=25ºC I R TYPE Maximum Peak Reverse Voltage PRV V PK Maximum Forward Voltage @ TA=25ºC I FM A PK V FM V PK Maximum Reverse Recovery Time Trr ns Package Dimensions µAdc 1F1 1F2 1F3 1F4 1F5 1F6 1F7 50 100 200 400 600 800 1000 1.0 25 25 5.0 1.0 1.3 150 150 150 150 250 500 500 R–1 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 .787(20.0) MIN .126(3.2) .106(2.7) .787(20.0) MIN .025(0.65) DIA .021(0.55) .102(2.6) DIA .091(2.3) R–1 12A–1/2 LESHAN RADIO COMPANY, LTD. 1F1-1F7 RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES FIG.1–TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 Ω NONINDUCTIVE 10 Ω NONINDUCTIVE D.U.T. (-) PULSE G E N E R AT O R (NOTE 2) (+) 0 -0.25A FIG. 2 – TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT,(A) 1.0 .8 .6 .4 .2 0 0 50 +0.5A Trr Single Phase Half Wave 60Hz Resistive or Inductive Load (+) 25Vdc (APPROX) (-) 1Ω NON. INDUCTIVE OSCILLOSCOPE (NOTE 1) NOTES:1.Rise Time=7ns max. Input Impedance=1megohm.22pF. 2.Rise Time=10ns max. Source Impedance=50 ohms. -1.0A SET TIME BASE FOR 50/100ns/cm 1cm 100 150 175 AMBIENT TEMPER ATURE, (ºC) FIG. 3 – TYPICAL REVERSE CHARACTERISTICS 20 10 INSTANTANEOUS REVERSE CURRENT (µA) FIG. 4 – TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 TJ =50ºC INSTANTANEOUS FORWARD CURRENT, (A) 1.0 TJ =25ºC TJ =25ºC 1.0 .1 0.1 Pulse Width=300µs 1% Duty Cycle .01 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 5 – MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT 200 100 PEAK FORWARD SURGE CURRENT,(A) FIG. 6 – TYPICAL JUNCTION CAPACITANCE 200 8.3ms Single Half Sine-Wave (JEDEC Method) JUNCTION CAPACITANCE,(pF) 100 60 40 20 10 6 4 2 TJ =25ºC 50 30 20 10 1 5 10 50 100 1 .1 .2 .4 1.0 2 4 10 20 40 100 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE,(V) 12A–2/2