SF37

SUPER FAST RECOVERY RECTIFIER SF31 THRU SF38 FEATURES • • • • • VOLTAGE RANGE CURRENT 50 to 600 Volts 3.0Ampere DO-27 .052(1.3) .048(1.2) 1.0(25.4) MIN. DIA. 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 .375(9.5) .335(8.5) .220(5.6) .197(5.0) 1.0(25.4) MIN. DIA. MECHANICAL DATA • • • • • • 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 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 Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current at Rated DC Blocking Voltage T A = 25℃ TA = 125℃ VRRM VRMS VDC I(AV) IFSM VF IR trr CJ RθJA TJ TSTG SF 31 50 35 50 SF 32 100 70 100 SF 33 150 105 150 SF 34 200 140 200 5.0 125 SF 35 300 210 300 SF 36 400 280 400 SF 37 500 350 500 SF UNITS 38 600 Volts 420 Volts 600 Volts Amp Amps 0.95 5.0 50 35 50 1.25 1.7 Volts µA ns 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 30 30 (-55 to +150) (-55 to +150) PF ℃/W ℃ ℃ Notes: 1. Thermal resistance from junction to ambient with .375”(9.5mm)lead length, PCB. mounted. . Web Site: WWW.PS-PFS.COM SUPER FAST RECOVERY RECTIFIER SF31 THRU SF38 VOLTAGE RANGE CURRENT 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 AVERAGE FORWARD CURRENT, (A) 150 PEAK FORWARD SURGE 8.3ms Single Half Sine-Wave (JEDEC Method) Tj=Tjmax 2.0 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0 .375"(9.5mm)Lead Length CURRENT, (A) 100 50 1 Cycle 0 1 2 0 0 25 50 55 75 100 125 150 175 4 6 8 10 20 40 60 100 AMBIENT TEMPERATURE, (° C) NUMBER OF CYCLES AT 60 Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 FIG.4-TYPICAL REVERSE CHARACTERISTICS 10 INSTANTANEOUS FORW ARD CURRENT, 1.0 INSTANTANEOUS REVERSE CURRENT, (UA) 4 31 -3 35 -3 6 7 -3 8 SF 1.0 SF Tj =125° C (A) 0.1 SF 3 0.1 0.01 Tj =25° C Tj =25° C Pulse Width=300us 1% Duty Cycle 0.001 0.4 0.01 0 20 40 60 80 100 120 140 0.6 0.8 1.0 1.2 1.4 1.6 1.8 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG.5-TYPICAL JUNCTION CAPACITANCE 100 JUNCTION CAPACITANCE,(pF) FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE REXOVERY TIME CHARACTERISTIC Trr 50Ω NONINDUCTIVE 10Ω NONINDUCTIVE +0.5A (-) 0 0.25A 10 (+) 25 Vdc （approx） (-) D.U.T PULSE GENERATIOR (NOTE 2) 1Ω NON INDUCTIVE OSCILLOSCOPE (NOTE 1) -1.0A 1cm TJ=25 ° C F=1MHz V sig=50mVp-p SF31-SF34 SF35-SF38 1.0 0.1 1.0 10 100 NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF 2.Rise time=10ns max.Source Impedance=50 ohms SET TIME BASE FOR 50 /100NS /cm REVERSE VOLTAGE,(V) Web Site: WWW.PS-PFS.COM