SF31G thru SF38G SUPER FAST GLASS PASSIVATED 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 .052(1.3) .048(1.2) DIA. high current capabiltiy ● Low reverse leakage current 1.0(25.4) MIN. ● Plastic material has UL flammability classification 94V-0 210 .375(9.5) .335(8.5) .220(5.6) .197(5.0) DIA. MECHANICAL DATA ●Case: JEDEC DO-27 molded plastic 1.0(25.4) MIN. ●Polarity: Color band denotes cathode ●Weight: 0.04 ounces , 1.1 grams ●Mounting position: Any 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 SYMBOL SF31G SF32G SF33G SF34G SF35G SF36G SF38G UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 150 200 300 400 600 V Maximum RMS Voltage VRMS 35 70 105 140 210 280 420 V VDC 50 100 150 200 300 400 600 V Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TA =55 ℃ I(AV) 3.0 A IFSM 125 A Peak Forward Surge Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Peak Forward Voltage at 3.0A DC 0.95 VF Maximum DC Reverse Current @TJ=25℃ at Rated DC Bolcking Voltage @TJ=100℃ IR 35 Typical Junction Capacitance (Note2) CJ 70 Storage Temperature Range V μA 100 Trr Operating Temperature Range 1.3 5.0 Maximum Reverse Recovery Time(Note 1) Typical Thermal Resistance (Note3) 1.25 40 50 45 nS pF RθJA 20 ℃/W TJ -55 to +125 ℃ TSTG -55 to +150 ℃ 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, ~ 164 ~ RATING AND CHARACTERTIC CURVES SF31G thru SF38G FIG. 1 – FORWARD CURRENT DERATING CURVE SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 2.5 2.0 1.5 1.0 0.5 0 25 75 50 100 125 150 175 PEAK FORWARD SURGE CURRENT (AMPERES） AVERAGE FORWARD CURRENT AMPERES 3.0 FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT 200 150 100 50 PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 1 2 10 20 50 100 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (℃) FIG.4-TYPICAL FORWARD CHARACTERISTICS FIG.3 – TYPICAL JUNCTION CAPACITANCE 100 100 INSTANTANEOUS FORWARD CURRENT, (A) SF31G - SF34G SF35G - SF38G CAPACITANCE, (pF) 5 10 T J = 25°C f = 1 MHz SF31G - SF34G SF35G - SF36G 10 T J = 25°C PULSE WIDTH 300us SF38G 1.0 0.1 1 1 4 10 0 100 REVERSE VOLTAGE, (VOLTS) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE ,VOLTS ~ 165 ~ 1.8