SF55

SF51 thru SF56 SUPER FAST RECTIFIER CHENG- YI ELECTRONIC SUPER FAST RECTIFIER VOLTAGE RANGE-50 to 400 Volts CURRENT-5.0 Amperese FEATURES High reliability Low leakage Low forward voltage High current capability Super fast switching speed High surge capability Good for switching mode circuit MECHANICAL DATA Case:Molded plastic Epoxy:UL94V-0 rate flame retardant Lead:MIL-STD-202E method 208C quaranted Mounting position:Any Weigh:1.18 grams 1.0(25.4) MIN. .052(1.3) DIA. .048(1.2) .375(9.5) .335(8.5) .220(5.6) DIA. .197(5.0) 1.0(25.4) MIN. 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%. MAXIMUM RATINGS ( At TA=250C unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375" (9.5mm) lead length @TA=550C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range 0 SYMBOL VRRM VRMS VDC IO SF51 50 35 50 SF52 100 70 100 SF53 150 105 150 5.0 SF54 200 140 200 SF55 300 210 300 SF56 400 280 400 UNITS Volts Volts Volts Amps IFSM CJ TJ TSTG 50 150 30 -65 to +150 Amps pF 0 C ELECTRICAL CHARACTERISTICS ( At TA=25 C unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 5.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage @TA=25 C @TA=1500C 0 SYMBOL VF IR trr SF51 SF52 0.95 SF53 SF54 SF55 1.25 SF56 UNITS Volts uAmps uAmps nSec 5.0 150 35 Maximum Reverse Recovery Time (Note1) Notes : 1.Test Condition: IF=0.5A, I R=1.0A, I RR=0.25A 2.Measured at 1 MHz and applied reverse voltage of 4.0 volts SF51 thru SF56 SUPER FAST RECTIFIER CHENG- YI CHENGELECTRONIC RATING AND CHARACTERISTICS CURVES SF51 THRU SF56 Fig.1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC +0.5A (-) D.U.T. PULSE GENERATOR (NOTE 2) Fig. 2 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 50 NONINDUCTIVE (+) 25 Vdc (approx.) (-) 1 NONINDUCTIVE 10 NONINDUCTIVE trr 6.0 5.0 4.0 3.0 2.0 1.0 0 0 -0.25 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INOUCTIVE LOAD OSCILLOSCOPE (NOTE 1) (+) -1.0A 1cm NOTES : 1. Rise Time=7ns max., Input Impedance= 1 megohm, 22pF . 2. Rise Time=10ns max., Source Impedance= 50 ohms. SET TIME BASE FOR 10 /20 ns/cm 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, 0C Fig.3 - TYPICAL REVERSE CHARACTERISTICS 1000 Fig. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT, ( A) 100 0 TJ=150C INSTANTANEOUS FORWARD CURRENT, AMPERES TJ = 250C 0 TJ=100C SF5 10 1~ S F5 10.0 4 0 TJ=25C 0.1 .1 Pulse Width-300 s 1% DUTY CYCLE .01 .2 .4 .6 .8 1.0 1.2 1.4 .01 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) INSTANTANEOUS FORWARD VOLT AGE, VOLTS Fig.5 -MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 175 Fig.6 - TYPICAL JUNCTION CAPACIT ANCE 200 PEAK FORWARD SURGE CURRENT, (A) JUNCTION CAPACITANCE, pF 150 125 100 75 50 25 0 1 2 5 8.3ms Single Half Sine Wave JEDEC Method 100 60 40 20 SF 55 1.0 ~S 1.0 F5 6 SF 51 ~ SF 54 SF5 10 6 4 2 1 .1 .2 .4 5~ TJ = 25 C 0 SF5 6 10 20 50 100 NUMBER OF CYCLES AT 60 Hz 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, (V)