SUPER FAST RECOVERY RECTIFIER VOLTAGE RANGE CURRENT SF31 THRU SF38 50 to 600 Volts 3.0Ampere DO-27 .052(1.3) .048(1.2) FEATURES • • • • • Low coat construction Fast switching for high efficency. Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension 1.0(25.4) MIN. .375(9.5) .335(8.5) .220(5.6) .197(5.0) MECHANICAL DATA • • • • • • DIA. DIA. 1.0(25.4) MIN. Case: Transfer molded plastic Epoxy: UL94V-O rate flame retardant Polarity: Color band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.042ounce, 1.19grams Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS • • • Ratings at 25OC ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20% SYMBOLS VRRM VRMS VDC Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 0.375”(9.5mm) lead length at T A= 55℃ Peak Forward Surge Current 8.3mS single half sine wave superimposed on rated load (JEDEC method) Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25℃ TA = 125℃ Maximum Reverse Recovery Time Test conditions IF=0.5A,IR=1.0A,IRR=0.25A Typical Thermal Capavitance (Measured at 1.0MHz and applied rever voltage of 4.0V) Typical Thermal Resistance(NOTE 1) Operating Junction Temperature Range Storage Temperature Range SF 32 100 70 100 SF 33 150 105 150 SF 34 200 140 200 SF 35 300 210 300 SF 36 400 280 400 SF 37 500 350 500 SF UNITS 38 600 Volts 420 Volts 600 Volts I(AV) 5.0 Amp IFSM 125 Amps VF Maximum Instantaneous Forward Voltage @ 3.0A SF 31 50 35 50 0.95 1.25 1.7 Volts IR 5.0 50 µA trr 35 ns CJ 50 RθJA TJ TSTG 30 30 (-55 to +150) (-55 to +150) Notes: 1. Thermal resistance from junction to ambient with .375”(9.5mm)lead length, PCB. mounted. . Web Site: www.hkmic.com PF ℃/W ℃ ℃ SUPER FAST RECOVERY RECTIFIER VOLTAGE RANGE CURRENT SF31 THRU SF38 50 to 600 Volts 3.0Ampere RATING AND CHRACTERISTIC CURVES SF31 THRU SF38 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 3.0 2.0 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375"(9.5mm)Lead Length 8.3ms Single Half Sine-Wave (JEDEC Method) Tj=Tjmax CURRENT, (A) PEAK FORWARD SURGE AVERAGE FORWARD CURRENT, (A) 150 100 50 1 Cycle 0 50 55 25 0 100 75 150 125 0 175 1 2 4 8 6 10 20 60 40 100 NUMBER OF CYCLES AT 60 Hz AMBIENT TEMPERATURE, (° C) FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE 10 CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (UA) 8 7 -3 SF 3 SF SF 31 -3 35 -3 6 4 1.0 (A) INSTANTANEOUS FORW ARD CURRENT, 10 0.1 0.01 Tj =25° C Pulse Width=300us 1% Duty Cycle 1.0 0.1 Tj =25° C 0.01 0 0.001 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Tj =125° C 20 1.8 40 60 80 100 120 140 PERCENT OF RATED PEAK INSTANTANEOUS FORWARD VOLTAGE,(V) REVERSE VOLTAGE,(%) FIG.5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) 100 FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE REXOVERY TIME CHARACTERISTIC Trr +0.5A 50Ω NONINDUCTIVE 10Ω NONINDUCTIVE (-) 10 (+) 25 Vdc （approx） (-) D.U.T 1Ω NON INDUCTIVE PULSE GENERATIOR (NOTE 2) 0 0.25A OSCILLOSCOPE (NOTE 1) TJ=25° C F=1MHz -1.0A 1cm V sig=50mVp-p SF31-SF34 SF35-SF38 NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF 2.Rise time=10ns max.Source Impedance=50 ohms 1.0 0.1 1.0 10 100 REVERSE VOLTAGE,(V) Web Site: www.hkmic.com SET TIME BASE FOR 50 /100NS /cm