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| BA157 thru BA159 FAST SWITCHING PLASTIC RECTIFIER CHENG- YI ELECTRONIC VOLTAGE-400 TO 1000 Volts CURRENT -1.0 Ampere FEATURES High surge current capability. Plastic package has underwriters laboratory Flammability classification 94V-O utilizing Flame retardant epoxy molding compound Void-free plastic in a DO-41 package. 1.0 ampere operation at TA=55OC with no thermal runway. Fast switching for high efficiency Exceeds environmental standard of MILSTD-19500/228. DO-41 MECHANICAL DATA Case:Molded plastic,DO-41 Terminals:Plated axial leads, solderable per MIL-STD-202, Method 208 Polarity:Band denotes cathpde Mounting position:Any Weight:0.012 ounce, 0.3 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 250C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, reistive or inductive load. For capacitive load, derate current by 20%. BA157 BA158 600 420 600 1.0 BA159 1000 700 1000 UNITS V V V A Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375" , (9.5mm) Lead Length at TA=55 C 0 400 280 400 Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Forward Voltage at 1.0A Maximum Reverse Current TJ =25 C at rated DC Blocking Voltage T J =100 C 0 0 30 1.3 5.0 500 12 150 -55 to +150 A V A Typical Junction Capacitance (Note 1) Maximum Reverse Recovery Time (Note 2) Storage and Opeating Temperature Range Notes : 1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC. 2. Revese Recovery Test Conditions : IF=.5A, IR=1A, Irr=.25A. pF nS 0 C BA157 thru BA159 FAST SWITCHING PLASTIC RECTIFIER CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES BA157 THRU BA159 Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 NONINDUCTIVE 10 NONINDUCTIVE ( (+) 25 Vdc (approx.) ( ) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) D.U.T. PULSE GENERATOR (NOTE 2) ) trr +0.5A 0 -0.25 (+) -1.0A NOTES : 1. Rise Time=7ns max., Input Impedance= 1 megohm, 22pF . 2. Rise Time=10ns max., Source Impedance= 50 ohms. 1cm SET TIME BASE FOR 50 / 100ns/cm Fig. 2 - FORWARD CURRENT DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT AMPERES Fig. 3 - FORWARD CURRENT DERATING CURVE INSTANTANEOUS FORWARD CURRENT AMPERES 10 1.6 1.4 1.2 1.0 .8 .6 .4 .2 0 MAXIMUNM AVERAGE CURRENT RATING SINGLE PHASE, HALF-WAVE, 60Hz RESISTIVE OR INDUCTIVE LOAD .375"(9mm) LEAD LENGTH T J = 25 0 C 1.0 Pulse Width=200 S 0 20 40 60 80 100 120 0 140 160 180 AMBIENT TEMPERATURE, C 0.1 0.01 0.6 0.8 1.1 1.3 1.4 INSTANTANEOUS FORWARD VOLT AGE, VOLTS Fig. 4 - TYPICAL JUNCTION CAPACITANCE Fig. 5 - PEAK FORWARD SURGE CURRENT FORWARD SURGE CURRENT, AMPERES pk (HALF-SINE WAVE) 100 30 24 CAPACITANCE-pF 10 TJ=25C 0 18 12 6 1 1 10 100 1 2 4 6 8 10 20 40 60 80 100 REVERSE VOLTAGE. VOLTS NUMBER OF CYCLES AT 60Hz |
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