LESHAN RADIO COMPANY, LTD. BA157 - BA159 1A 1A FAST RECOVERY DIODES TYPE Maximum Peak Reverse Voltage Maximum Average Maximum Rectified Current Forward Peak @ Half-Wave Surge Current @ Resistive Load 60Hz 8.3ms Superimposed PRV I O@ T L V PK BA157 BA158 BA159D BA159 400 600 800 1000 A AV 1.0 I FM (Surge) C 55 Maximum Reverse Current @ PRV @ TA=25C I R Adc A PK 20 5.0 Maximum Forward Voltage @ TA=25C Maximum Reverse Recovery Time I FM V FM Trr A PK V PK ns 1.0 1.3 150 250 500 500 Package Dimensions 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 .034(0.9) .028(0.7) .205(5.2) .166(4.2) 1.0(25.4) MIN DIA .107(2.7) DIA .080(2.0) DO - 41 15A-1/2 LESHAN RADIO COMPANY, LTD. BA157-BA159 RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES FIG. 2 - MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT 1.0 0.8 0.6 0.4 Resistive or Inductive Load 0.375"(9.5mm) Lead Length 0.2 0 0 25 50 75 100 125 150 20 PEAK FORWARD SURGE CURRENT,(A) AVERAGE FORWARD CURRENT,(A) FIG. 1 - FORWARD CURRENT DERATING CURVE 175 TJ =55C 8.3ms Single Half Sine-Wave (JEDEC Method) 15 10 5 AMBIENT TEMPER ATURE, (C) 0 1 10 100 NUMBER OF CYCLES AT 60Hz FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 20 10 INSTANTANEOUS REVERSE CURRENT (A) INSTANTANEOUS FORWARD CURRENT, (A) 10 TJ =25C 1.0 0.1 Pulse Width=300s 1% Duty Cycle .01 .4 .6 .8 1.0 1.2 1.4 1.6 1.0 TJ =100C .1 TJ =25C 0.01 0.001 1.8 0 INSTANTANEOUS FORWARD VOLTAGE,(V) 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 5 - TYPICAL JUNCTION CAPACITANCE FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE 100 100 60 TRANSIENT THERMAL IMPEDANCE. C/W TJ =25C f = 1.0MHz Vsig = 50mV 60 JUNCTION CAPACITANCE,(pF) 20 p-p 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 REVERSE VOLTAGE,(V) 20 40 100 40 20 10 6 4 2 1 0.01 0.1 1 10 100 t, PULSE DURATION. (sec) 15A-2/2