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| RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION SF51 THRU SF56 GLASS PASSIVATED SUPER FAST RECTIFIER VOLTAGE RANGE 50 to 400 Volts CURRENT 5.0 Amperes FEATURES * * * * * * * High reliability Low leakage Low forward voltage High current capability Super fast switching speed High surge capability Good for switching mode circuit DO-201AD MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 1.18 grams .052 (1.3) DIA. .048 (1.2) 1.0 (25.4) MIN. .375 (9.5) .335 (8.5) .220 (5.6) DIA. .197 (5.0) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. 1.0 (25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Volts Maximum DC Blocking Voltage Maximum Average Forward Current at TA = 55 oC Peak Forward Surge Current IFM (surge):8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ TJ, TSTG 50 -65 to + 150 SF51 50 35 50 SF52 100 70 100 SF53 150 105 150 5.0 150 30 SF54 200 140 200 SF55 300 210 300 SF56 400 280 400 UNITS Volts Volts Volts Amps Amps pF 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum DC Reverse Current at Rated DC Blocking Voltage Maximum Forward Voltage at 5.0A DC Maximum Reverse Recovery Time (Note 1) NOTES : 1. Test Conditions: IF=0.5A, IR=-1.0A, IRR=-0.25A. 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts. @TA = 25 o C @TA =125 o C IR VF trr 0.95 35 SYMBOL SF51 SF52 SF53 5.0 150 1.25 SF54 SF55 SF56 UNITS uAmps Volts nSec 2001-5 RATING AND CHARACTERISTIC CURVES ( SF51 THRU SF56 ) FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE 10 NONINDUCTIVE trr +0.5A (-) PULSE GENERATOR AVERAGE FORWARD CURENT, (A) FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE 6.0 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( ) Single Phase Half Wave 60Hz Resistive or Inductive Load (+) 25 Vdc (approx) (-) D.U.T 0 -0.25A (NOTE 2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) (+) -1.0A NOTES:1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms. 1cm SET TIME BASE FOR 10 ns/cm FIG. 3 - TYPICAL REVERSE CHARACTERISTICS FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, (uA) 100 TJ = 150 100 TJ = 100 SF 51 ~S F5 10 10 4 .1 TJ = 25 .1 Pulse Width = 300uS 1% Duty Cycle .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT .01 0 .2 .4 .6 .8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 6 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) PEAK FORWARD SURGE CURRENT, (A) 175 150 125 100 75 50 25 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz 8.3ms Single Half Sine-Wave (JEDEC Method) 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 TJ = 25 SF 55 ~S 1.0 1.0 F5 TJ = 25 6 SF5 1~S F54 SF5 5~S F56 REVERSE VOLTAGE, ( V ) RECTRON |
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