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BA157 Datasheet(PDF) 2 Page - Nanjing International Group Co |
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BA157 Datasheet(HTML) 2 Page - Nanjing International Group Co |
2 / 2 page 0.1 1.0 .01 10 50 RATING AND CHARACTERISTIC CURVES ( BA157S THRU BA159S) FIG.1-TYPICAL FORWARD CHARACTERISTICS FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.5-TYPICAL JUNCTION CAPACITANCE REVERSE VOLTAGE,(V) FORWARD VOLTAGE,(V) Pulse Width 300us 1% Duty Cycle 0.2 0.4 0.6 0.8 1.0 1.2 35 30 25 20 15 10 5 0 IFM 1.0 0 IRM(REC) 2.0 1cm SET TIME BASE FOR 50 / 100ns / cm .01 .05 .1 .5 1 5 10 50 100 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 3.0 AMBIENT TEMPERATURE ( C) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS W W W W W Tj=25 C FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 1 2 0 2 4 3 6 4 8 60 NUMBER OF CYCLES AT 60Hz 1 10 5 50 100 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 0 20 40 60 80 100 120 140 160 180 200 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 10K 2W 115Va 60Hz 1 2 3 4 8 7 6 5 C P CLARE HPG1002 30Vdc CONSTANT VOLTAGE SUPPLY C1 1.0mF 300V C1 1.0mF 300V 1.0Adc FROM CONSTANT VOLTAGE SUPPLY RIPPLE=3mVrms MAX. 1 AMP SLO-BLO FUSE R1 3 25W R2 1 /10W NON- INDUCTIVE UNIT UNDER TEST 30 /50W NON-INDUCTIVE Zout 1 / MAX. DC To 2KHz 1 2 MINIMIZE ALL LEAD LENGTHS A A-TEKTRONIX 545A. K PLUG IN R2- TEN 1W 10 1% CARBON CORE PRE AMP P6000 PROBE OR EQUIVALENT IN PARALLEL R1- ADJUSTED FOR 14 BETWEEN POINT 2 OF RELAY AND RECTIFIER TA= 25 C FOR RECTIFIER INDUCTIVE=3.8mH +10 0 trr i(t) di/dt=50A/mS Version 1.1 2013/2/27 http://www.dgnjdz.com |
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