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| RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION BA157 THRU BA159 FAST RECOVERY RECTIFIER VOLTAGE RANGE 400 to 1000 Volts CURRENT 1.0 Ampere FEATURES * * * * * * Fast switching Low leakage Low forward voltage drop High current capability High surge capability High reliability DO-41 MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.33 gram 1.0 (25.4) MIN. .034 (0.9) DIA. .028 (0.7) .205 (5.2) .166 (4.2) .107 (2.7) .080 (2.0) DIA. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. o 1.0 (25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TA = 75 oC Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ TJ, TSTG BA157 400 280 400 BA158 600 420 600 1.0 30 15 -65 to + 150 BA159 1000 700 1000 UNITS Volts Volts Volts Amps Amps pF 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25 oC Maximum Full Load Reverse Current Full Cycle Average, .375" (9.5mm) lead length at TL = 55 oC Maximum Reverse Recovery Time (Note 1) NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts SYMBOL VF BA157 BA158 1.3 5.0 IR 100 trr 250 uAmps nSec 2002-3 BA159 UNITS Volts uAmps RATING AND CHARACTERISTIC CURVES ( BA157 THRU BA159 ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 50 PEAK FORWARD SURGE CURRENT, (A) 8.3ms Single Half Sine-Wave (JEDED Method) 1.0 .8 .6 .4 .2 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE, ( ) FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 175 Single Phase Half Wave 60Hz Resistive or Inductive Load 40 30 20 10 0 1 2 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60Hz FIG. 4 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (uA) INSTANTANEOUS FORWARD CURRENT, (A) 20 10 3.0 1.0 0.3 0.1 .03 .01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 TJ = 25 Pulse Width=300uS 1% Duty Cycle 10 6 4 2 1.0 .6 .4 .2 .1 .06 .04 .02 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) TJ = 25 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 5 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, ( V ) TJ = 25 50 NONINDUCTIVE FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 10 NONINDUCTIVE trr +0.5A (-) 0 PULSE GENERATOR (NOTE 2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) (+) -1.0A 1 NOTES: Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Souce Impedance = 50 ohms. 1cm SET TIME BASE FOR 50/100 ns/cm (+) 25 Vdc (approx) (-) D.U.T -0.25A RECTRON |
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