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| SSF81 thru SSF84 SUPER FAST RECOVERY RECTIFIER CHENG- YI ELECTRONIC VOLTAGE RANGE 50 TO 200 Volts CURRENT 8.0 Amperes TO-220AC FEATURE Low switching noise Low forward voltage drop Low leakage current High current capability Super fast switching speed High reliability Good for switching mode circuit MECHANICAL DATA Case:TO-220A molded plastic Epoxy:UL 94V-0 rate reatardant Lead:MIL-STD-202 method 208 quaranteed Mounting position:any CASE POSITIVE SUFFIX "p" CASE NEGATIVE SUFFIX "N" MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 250C ambient temperature unless otherwise specified. Signle phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. SSF81 SSF82 100 70 100 8.0 125 0.975 SSF83 150 105 150 SSF84 200 140 200 UNITS V V V A A V A A nS pF 0 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current, at TC =1000C 50 35 50 Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 8.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range Notes : 1. Test Conditions : IF=0.5A, IR=1.0A, Irr=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0 Volts @TC=25 C @TC=1000C 0 10 150 35 65 -65 to +150 C SSF81 thru SSF84 SUPER FAST RECOVERY RECTIFIER CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES SSF81 THRU SSF84 Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 NONINDUCTIVE 10 NONINDUCTIVE trr +0.5A ( (+) 25 Vdc (approx.) () 1 NONINDUCTIVE D.U.T. ) 0 PULSE GENERATOR (NOTE 2) OSCILLOSCOPE (NOTE 1) (+) -0.25 NOTES : 1. Rise Time=7ns max., Input Impedance= 1 megohm, 22pF . 2. Rise Time=10ns max., Source Impedance= 50 ohms. -1.0A 1cm SET TIME BASE FOR 5 / 10ns/cm Fig. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS Fig. 2 - FORWARD CURRENT DERATING CURVE 12.0 AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 10.0 8.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INOUCTIVE LOAD .375" LEAD LENGTH INSTANTANEOUS FORWARD CURRENT, AMPERES 10 1.0 6.0 0.1 TJ = 25 C 0 4.0 2.0 0 25 50 75 100 125 150 0 .01 175 .2 .4 .6 .8 1.0 1.2 1.4 AMBIENT TEMPERATURE, C INSTANTANEOUS FORWARD VOLT AGE, VOLTS Fig. 4 - TYPICAL JUNCTION CAPACIT ANCE FORWARD SURGE CURRENT, AMPERES, PK (HALF-SINE WAVE) 100 Fig. 5 - PEAK FORWARD SURGE CURRENT 250 TJ=25C CAPACITANCE-pF 0 200 TJ=25C 150 0 10 100 50 1 1 10 100 0 1 10 100 REVERSE VOLTAGE, VOLTS NUMBER OF CYCLES AT 60Hz |
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