LESHAN RADIO COMPANY, LTD. BA157G - BA159G FAST GPP 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 BA157G BA158G BA159DG BA159G 400 600 800 1000 A AV 1.0 Maximum Reverse Current @ PRV @ TA=25C I FM (Surge) C 55 I Adc A PK 20 R 5.0 Maximum Forward Voltage @ TA=25C I FM A PK 1.0 Maximum Reverse Recovery Time V FM Trr V PK 1.3 Package Dimensions ns 150 250 500 500 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 35A-1/2 LESHAN RADIO COMPANY, LTD. BA157G-BA159G GPP RATING & CHARACTERISTIC CURVES OF FAST GPP DIODE FIG.1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE (+) 25Vdc (APPROX) (-) 10 NONINDUCTIVE PULSE G E N E R AT O R (NOTE 2) 1 OSCILLOSCOPE NON. (NOTE 1) INDUCTIVE Trr +0.5A (-) D.U.T. 0 -0.25A (+) NOTES:1.Rise Time=7ns max. Input Impedance=1megohm.22pF. 2.Rise Time=10ns max. Source Impedance=50 ohms. -1.0A 1cm SET TIME BASE FOR 10 ns/cm FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 INSTANTANEOUS FORWARD CURRENT,(A) AVERAGE FORWARD CURRENT,(A) 1.0 0.8 0.6 0.4 I PK/I AV = Resistive or Inductive Load 0.375"(9.5mm) Lead lengths 0.2 0 0 25 50 75 100 125 150 TJ =25C Pulse Width=300s 1% Duty Cycle 1 .1 .01 175 0 2 4 6 8 10 12 14 16 AMBIENT TEMPER ATURE, (C) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG.5 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.4 - TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT. AMPERES CAPACITANCE,(pF) 100 10 TJ = 25 C f =1MHz V sing =50MV p-p 1 1 5 10 REVERSE VOLTAGE,(V) 50 100 20 15 10 5 TJ =55C 8.3ms Single Halt Sine Wave (JEDEC Method) 0 1 2 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz 35A-2/2