SF38

SF31 thru SF38 SUPERFAST RECOVERY RECTIFIERS REVERSE VOLTAGE - 50 to 600 Volts FORWARD CURRENT - 3.0 Amperes DO- 27 FEATURES ● Super fast switching time for high efficiency ● Low forward voltage drop and high current capabiltiy ● Low reverse leakage current ● Plastic material has UL flammability .052(1.3) .048(1.2) DIA. 1.0(25.4) MI classification 94V-0 .375(9.5) .335(8.5) 210 MECHANICAL DATA ●Case: JEDEC DO-27 molded plastic ●Polarity: Color band denotes cathode ●Weight: 0.04 ounces , 1.1 grams ●Mounting position: Any .220(5.6) .197(5.0) DIA. 1.0(25.4) MI Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% CHARACTERISTICS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surage Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Peak Forward Voltage at 3.0A DC(Note1) Maximum DC Reverse Current at Rated DC Bolcking Voltage @TJ=25℃ @TJ=100℃ @TA =55 ℃ SYMBOL VRRM VRMS VDC I(AV) SF31 50 35 50 SF32 100 70 100 SF33 150 105 150 SF34 200 140 200 3.0 SF35 300 210 300 SF36 400 280 400 SF38 600 420 600 UNIT V V V A IFSM VF IR Trr CJ RθJA TJ TSTG 70 0.95 125 1.25 5.0 100 35 45 20 -55 to +125 -55 to +150 A V uA nS pF ℃/W ℃ ℃ Maximum Reverse Recovery Time(Note 1) Typical Junction Capacitance (Note2) Typical Thermal Resistance (Note3) Operating Temperature Range Storage Temperature Range NOTES: 1.Measured with IF=0.5A,IR=1A,IRR=0.25A. 2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 3.Thermal resistance junction to ambient, ~ 129 ~ RATING AND CHARACTERTIC CURVES SF31 thru SF38 FIG. 1 – FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT (AMPERES） 3.0 AVERAGE FORWARD CURRENT AMPERES 2.5 2.0 1.5 1.0 0.5 0 25 50 75 100 125 150 175 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT 200 150 100 50 PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 1 2 5 10 20 50 100 AMBIENT TEMPERATURE (℃) NUMBER OF CYCLES AT 60Hz FIG.3 – TYPICAL JUNCTION CAPACITANCE 100 100 SF31-SF34 FIG.4-TYPICAL FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) SF35-SF38 SF31-SF34 10 T J = 25°C PULSE WIDTH 300us CAPACITANCE, (pF) 10 1.0 SF35-SF38 T J = 25°C f = 1 MHz 0.1 1 1 4 10 100 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 REVERSE VOLTAGE, (VOLTS) INSTANTANEOUS FORWARD VOLTAGE ,VOLTS ~ 130 ~