поискавой системы для электроныых деталей |
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BA157 датащи(PDF) 2 Page - Frontier Electronics. |
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BA157 датащи(HTML) 2 Page - Frontier Electronics. |
2 / 2 page BA157 THRU BA159 Page: 2 RATINGS AND CHARACTERISTICS CURVES BA157 THRU BA159 1.0 CYCLE Fig. 3-MAXIMUM FORWARD SURGE NUMBER OF CYCLES 35 20 10 0 1 10 100 NUMBER OF CYCLES AT 60 HZ TA=150 oC Pulse Width= 8.3ms FIG. 4-TYPICAL REVERSE CHARACTERISTICS 100 10 1.0 0.1 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, % TJ=100 oC TJ=25 oC 1.0 0.8 0.6 0.4 0.2 0 TA-AMBIENT TEMPERATURE ( OC) Fig. 2-MAXIMUM CURRENT DERATING CURVE 0 20 40 60 80 100 120 140 160 180 200 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 10 1.0 0.1 .01 FIG. 5-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD VOLTAGE, (V) 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Tj=25 oC PULSE WIDTH =300us 1% DUTY CYCLE +0.5A 0 -0.25A -1.0A Trr 1cm SET TIME BASE FOR 10/20 ns/cm FIG. 1 -TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC PULSE GENERATOR (NOTE 2) (+) 25 Vdc (approx) (-) D.U.T. 1 Ω NON INDUCTIVE OSCILLOSCOPE (NOTE 1) 10 Ω NO INDUCTIVE (-) (+) NOTE: 1. RISE TIME=7ns MAX. INPUT IMPEDANCE=1 MOhms 22PF 2. RISE TIME =10ns MAX. SOURCE IMPEDANCE=50OHMS 10 Ω NO INDUCTIVE |
Аналогичный номер детали - BA157 |
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Аналогичное описание - BA157 |
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