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1N4945 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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1N4945 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers |
2 / 2 page WEJ ELECTRONIC CO.,LTD T =125 C j o T =25 C j o T =75 C j o 1.2 1.0 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 175 0 20 40 60 80 100 120 140 20 10 1.0 0.1 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 100 10 1 0.1 1.0 10 100 T =25 C Pulse Width=300us 1% Duty Cycle j o FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS FIG.5-TYPICAL JUNCTION CAPACITANCE AMBIENT TEMPERATURE,( C) o INSTANTANEOUS FORWARD VOLTAGE,(V) PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) REVRESE VOLTAGE,(V) FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 1 2 4 6 8 10 20 40 60 80100 8.3ms Single Half Sine-Wave (JEDEC Method) T =T max j j NUMBER OF CYCLES AT 60 Hz 1 Cycle 30 20 10 0 20 10 1.0 0.1 0.01 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375 (9.5mm) Lead Length " T =25 C f=1MHz V =50mVp-p j o sig NOTES: 1.Rise Time=7ns max.Input Impedance= 1 megohm.22pF 2.Rise time=10ns max.Source Impedance= 50 ohms FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC PULSE GENERATIOR (NOTE 2) 50 NONINDUCTIVE 10 NONINDUCTIVE 25 Vdc (approx.) 1 NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (-) (+) (+) (-) +0.5A 0 -0.25A -1.0A Trr 1cm SET TIME BASE FOR 50/100ns/cm D.U.T. 1N4942-4948 Http:// www.wej.cn E-mail:wej@yongerjia.com WEJ ELECTRONIC CO. RoHS |
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