VSI, SF21 THRU SF28 Voltage Range 2.0 AMPS. SUPER FAST 50 to 600 Volts RECTIFIERS Current 2.0 Amperes DO-15 Features ; e Low forward voltage drop @ High current capability e High reliability - 1.0(25.4) @ High surge current capability 140(3.6) MIN. Mechanical Data .104(2.6) Cases:Molded plastic e Epoxy:UL 94V-0 rate flame retardant e Lead:Axial leads,solderable per MIL- STD-202,Method 208 guaranteed e Polarity:Color band denotes cathode end @ High temperature soldering guaranteed: 250C/10 seconds/.375",(9.5mm) lead lengths at 5 Ibs.,(2.3kg) tension @ Weight:0.40 gram .034(.9) .028(.7) DIA. DIA. Lj le | .300(7.6) '230(5.8) 1.0(25.4) MIN. T4 Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60HZz, resistive or inductive load. For capacitive load, derate current by 20% Type Number SF21| SF22 | SF23 | SF24 | SF25 | SF26 |SF27 | SF28 |UNITS Maximum Repetitive Peak Reverse Voltage Vraru| 50 100 150 200 300 400 | 500 600 Vv Maximum RMS Voltage Vems| 35 70 105 140 210 280 | 350 420 V Maximum DC Blocking Voltage Vpc 50 100 150 200 300 400 500 600 Vv Maximum Average Forward Rectified Current 20 A .375"(9.5mm) Lead Length @Ta = 55 C IF(AV) . Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load IFsM 50 A (JEDEC method) Maximum Instantaneous Forward Voltage @2.0A VF 0.95 | 1.3 1.7 Vv Maximun DC Reverse Current @ TA= 25 IR 5.0 uA at Rated DC Blocking Voltage @ Ta=100C 100 uA Maximum Reverse Recovery Time (Note 1) TRR 35 ns Typical Junction Capacitance (Note 2) Cs 60 | 30 pF Operating Temperature Range T -55 to+125 c Storage Temperature Range Tstc -55 to+150 c NOTES: 1. Reverse Recovery Test Conditions: IF=0.5A,IR=1.0A,IRR=0.25A 2.Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C.RATINGS AND CHARACTERISTIC CURVES na SF21 THRU SF28 TI, FIG.1- REVERSE RECOVER TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 502 102 I. trr -| FIG.2- MAXIMUM AVERAGE NONINDUCTIVE _ NONINDUCTIVE FORWARD CURRENT DERATING WV WW +0.5A c GENERATOR) 3 2.0 Inductive Load 7} (approx) (NOTE 2) -0.25A a 0.375" (9.5mm) Q OSCILLOSCOPE 15 Lead Length 12 (NOTE1) (+) s \ NON & 1.0 N INDUCTIVE & \ w 0.5 NOTES:1. Rise Time=7ns max. Input Impedance= > 1.0A < 1 megohm 22pf - toms mT] 2. Rise Time=10ns max. Sourse Impedance= SET TIME BASE FOR Zz 25 50 75 100 125 *60 178 50 ohms 5/ 10ns/ cm AMBIENT TEMPERATURE.(C) FIG.3- TYPICAL REVERSE CHARACTERISTICS FIG.4-TYPICAL FORWARD CHARACTERISTICS 10000 100.0 1000 _ 10.0 = < S$ 5 5 Tj=100C wi @ 3 3 100 9 1.0 Ww < 5 2 wu o 2 5 2 Ww 8 2 0.1 Zz 10 Ee z zZ Z D ke Zz g ~ Tj=25C = Pulse 1% Duty Cycle a) 20 40 60 80 100 120 ar 6 8 10 12 14 16 18 PERCENT OF RATED PEAK REVERSE VOLTAGE.(%) FORWARD VOLTAGE.(V) FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG.6- TYPICAL JUNCTION CAPACITANCE 175 = ~~ 30 150 5 8.3ms Single Half Sine c NX B os JEDEC Method a N x ui 125 N 3 2 NN 0 20 x NN w E 100 IN a Q NK B < 75 N SF N 5 74, g z NN] See MN 2 | N = 10 & 50 Sa NJ 2 Z eI IN 5 25 NN N