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FR257 Datasheet(PDF) 2 Page - MIC GROUP RECTIFIERS |
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FR257 Datasheet(HTML) 2 Page - MIC GROUP RECTIFIERS |
2 / 2 page FAST RECOVER RECTIFIER VOLTAGE RANGE 50 to 1000 Volts FR251 THRU FR257 CURRENT 2 .5Ampere E-mail: sales@cnmic.com Web Site: www.cnmic.com 3.0 CHARACTERISTICS FIG.4-TYPICAL REVERSE DERATING CURVE FIG.1-TYPICAL FORWARD CURRENT 150 175 125 75 100 2.0 50 1.0 0 0 Single Phase Inductive Load Half Wave 60Hz Resistive or 25 AMBIENT TEMPERATURE, ( ° C) 100 100 10 FIG.5-TYPICAL JUNCTION CAPACITANCE 10 1.0 0.1 1 REVERSE VOLTAGE,(V) TJ=25 ° C F=1MHz 0.375"(9.5mm)Lead Length Vsig=50mVp-p RATING AND CHRACTERISTIC CURVES FR251 THRU FR257 0.01 j T =25 ° C 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) 0 20 0.1 1.0 100 60 40 80 10 T =100 ° C j FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE REXOVERY TIME CHARACTERISTIC NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF 2.Rise time=10ns max.Source Impedance=50 ohms SET TIME BASE FOR 50 /100NS /cm -1.0A 0.25A 0 +0.5A OSCILLOSCOPE (NOTE 1) PULSE GENERATIOR (NOTE 2) (-) 1Ω NON INDUCTIVE 10Ω NONINDUCTIVE 50Ω NONINDUCTIVE D.U.T (-) (approx) 25 Vdc (+) 20 1.8 1.6 1.4 INSTANTANEOUS FORWARD VOLTAGE,(V) 0.01 0.1 1.0 Pulse Width=300us 1% Duty Cycle 0.4 0.6 0.8 1.0 Tj =25 ° C 1.2 FORWARD CHARACTERISTICS FIG.3-TYPICAL INSTANTANEOUS 10 80 4 6 40 FORWARD SURGE CURRENT NUMBER OF CYCLES AT 60 Hz 10 1 20 60 100 28 10 20 60 100 FIG.2-MAXIMUM NON-REPETITIVE PEAK 200 80 40 8.3ms Single Half Sine-Wave (JEDEC Method) Tj=Tjmax 60 80 40 20 8 6 4 2 |
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Similar Description - FR257 |
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