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| SF31 3.0 AMP SUPER FAST RECTIFIERS THRU SF38 VOLTAGE RANGE 50 to 600 Volts CURRENT FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * Good for switching mode application 3.0 Amperes DO-27 .220(5.6) .197(5.0) DIA. 1.0(25.4) MIN. MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 1.10 grams .375(9.5) .285(7.2) .052(1.3) .048(1.2) DIA. 1.0(25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current Ta=25 C at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG NOTES: SF31 50 35 50 SF32 100 70 100 SF33 150 105 150 SF34 200 140 200 3.0 125 SF35 300 210 300 SF36 400 280 400 SF38 UNITS 600 420 600 V V V A A V A A nS pF C 0.95 5.0 50 35 -65 50 +150 1.25 1.70 1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 48 RATING AND CHARACTERISTIC CURVES (SF31 THRU SF38) FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE 10 NONINDUCTIVE trr +0.5A FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT,(A) 3.0 2.5 2.0 1.5 1.0 0.5 0 0 25 50 75 100 125 150 175 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length (+) 25Vdc (approx.) () 1 NONINDUCTIVE OSCILLISCOPE (NOTE 1) D.U.T. () PULSE GENERATOR (NOTE 2) (+) 0 -0.25A | | | | | | | | 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 50 / 10ns / cm AMBIENT TEMPERATURE,( C) FIG.3-TYPICAL FORWARD CHARACTERISTICS 50 INSTANTANEOUS FORWARD CURRENT,(A) FIG.4-TYPICAL REVERSE CHARACTERISTICS 50 3.0 SF 3 1~ SF 34 REVERSE LEAKAGE CURRENT, (A) 10 10 3.0 1.0 Tj=100 C 1.0 SF 35 ~S F3 6 SF 38 0.1 Tj=25 C Pulse Width 300us 1% Duty Cycle Tj=25 C 0.1 .01 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 .01 0 20 40 60 80 100 120 140 FORWARD VOLTAGE,(V) PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 125 FIG.6-TYPICAL JUNCTION CAPACITANCE 175 150 125 100 75 50 25 0 PEAK FORWARD SURGE CURRENT,(A) 100 75 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 50 25 0 1 5 10 50 100 JUNCTION CAPACITANCE,(pF) .01 .05 .1 .5 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE,(V) 49 |
Price & Availability of SF38
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