SF21 CHENG-YI | Alldatasheet
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Maximum Recurrent Peak Reverse VoltageMaximum Recurrent Peak Reverse Voltage VRRM VRMS VDC VF IR IO IFSM CJ Maximum RMS Voltage Maximum DC Blocking VoltageMaximum DC Blocking Voltage Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range Maximum Instantaneous Forward Voltage at 2.0A DC Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Average Forward Rectified Current .375" (9.5mm) lead length SF21 SF21 SF23 SF23 SF25 SF25 SF22 SF22 SF24 SF24 SF26 SF26 UNITS UNITS 100 400150 200 300 Volts Volts Volts Volts Amps Amps uAmps uAmps C 35 70 280105 140 210 50 100 400150 200 -65 to +150 0.95 1.25 5.0 2.0 30 20 300 MAXIMUM RATINGS ( At TA=25 C unless otherwise noted) ELECTRICAL CHARACTERISTICS ( At TA=25 C unless otherwise noted) Notes : 1.Test Condition: IF=0.5A, IR=1.0A, IRR=0.25A 2.Measured at 1 MHz and applied reverse voltage of 4.0 volts
FEATURES
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:0.38 grams CHENG- YICHENG- YI ELECTRONIC SUPER FAST RECTIFI ERSUPER FAST RECTIFI ER SUPER FAST RECTIFIER VOLTAGE RANGE-50 to 400 Volts CURRENT-2.0 Amperese MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS0 Ratings at 25 C ambient temperature unless otherwise specified. Signle phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. @TA=55 C @TA=25 C @TA=150 C Maximum DC Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note1) trr nSec TSTGTJ RATINGS CHARACTERISTICS SYMBOL SYMBOL pF .034(0.9) .028(0.7)1.0(25.4) MIN. 1.0(25.4) MIN. .140(3.6) .104(2.6) .300(7.6) .230(5.8) DIA. DIA.
RATING AND CHARACTERISTICS CURVES SF21 THRU SF26 CHENG- YICHENG- YI ELECTRONIC SUPER FAST RECTIFI ERSUPER FAST RECTIFI ER Fig.3 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, ( A) PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) 0.1 1.0 100 .01 20 40 60 80 100 120 T =150CJ T =100CJ T =25CJ Fig. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, AMPERES INSTANTANEOUS FORWARD VOLTAGE, VOLTS .01 .001 1.0 10.0 Pulse Width-300 s 1% DUTY CYCLE T = 25 CJ Fig.6 - TYPICAL JUNCTION CAPACIT ANCE JUNCTION CAPACITANCE, pF REVERSE VOLTAGE, (V) 100 200 10 20 100401.0 42.1 .2 .4 T = 25 CJ Fig.1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC (+) (+)(-) (-) Fig. 2 - TYPICAL FORWARD CURRENT DERATING CURVE trr AVERAGE FORWARD CURRENT, (A) SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INOUCTIVE LOAD 250 1.0 2.0 3.0 50 75 100 150125 175 AMBIENT TEMPERATURE, C -1.0A -0.25 +0.5A SET TIME BASE FOR 10 /20 ns/cm 1cm NOTES : 1. Rise Time=7ns max., Input Impedance= 1 megohm, 22pF. 2. Rise Time=10ns max., Source Impedance= 50 ohms. NONINDUCTIVE NONINDUCTIVE
25 Vdc
(approx.) NON- INDUCTIVE D.U.T. OSCILLOSCOPE (NOTE 1) PULSE GENERATOR (NOTE 2) SF21~SF24 SF21~S F24 SF25~SF26 SF25 ~SF2 Fig.5 -MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, (A) NUMBER OF CYCLES AT 60 Hz 1 2 5 10 20 50 100 8.3ms Single Half Sine Wave JEDEC Method SF21 thru SF26