SF31G THRU SF38G 3.0 Amp Glass Passivated Super Fast Rectifiers - 50~600Volts DO-201AD Package Features DO-201AD Glass Passivated Chip Low Forward Voltage High Current Capability High reliability Super Fast Switching Speed High Surge Current Capability Moisture Sensitivity Level 1 RoHS product for packing code suffix “G” Halogen free product for packing code suffix “H” 1.00(25.4)MIN. .052(1.30) . DIA. .048(1.20) .375(9.50) . .335(8.50) Mechanical Date .220(5.60) .197(5.00) DIA. 1.00(25.4)MIN. Case: Molded Plastic, DO-201AD Epoxy: UL 94V-0 Rate Flame Retardant Lead: Solderable per MIL-STD-202, method 208 guaranteed Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.046 ounce, 1.18 gram (Approximate) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRONICAL CHARACTERISTICS Ratings at 25℃ ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive of inductive load. For capacitive load, derate current by 20% RATINGS SYMBOLS SF32G SF33G SF34G SF35G SF36G SF38G UNITS 50 100 150 200 300 400 600 Volts VRMS 35 70 105 140 210 280 420 Volts VDC 50 100 150 200 300 400 600 Volts Maximum Recurrent Peak Reverse Voltage VRRM Maximum RMS Voltage Maximum DC Blocking Voltage SF31G Maximum Average Forward rectifier Current 0.375” (9.5mm) Lead length at Ta = 55℃ IF(AV) 3.0 Amps IFSM 125 Amps Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) VF Maximum Instantaneous Forward Voltage at 3.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage 0.95 @ Ta=25℃ 1.75 5.0 Volts μA IR @ Ta=100℃ 100 Maximum Reverse Recovery Time (Note 1) Typical Thermal Resistance (Note 3) Typical Junction Capacitance(Note 2) Operating and Storage Temperature Range 1.27 TRR 35 ns RθJA 50 ℃/W RθJL 20 CJ TJ ,TSTG 50 30 -55 ~ 150 pF ℃ Notes: 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0VDC. 3. Typical Thermal Resistance: At 9.5mm lead lengths, PCB mounted. 2013-01 WILLAS ELEECTRONIC CORP. SF31G THRU SF38G 3.0 Amp Glass Passivated Super Fast Rectifiers - 50~600Volts DO-201AD Package RATING AND CHARACTERISTICS CURVES AVERAGE FORWARD CURRENT, (A) 5.0 trr 50 Θ NONINDUCTIVE (+) 25 Vdc (approx) (-) +0.5A 10 Θ NONINDUCTIVE (-) D.U.T 0 PULSE GENERATOR (NOTE 2) 1 NONINDUCTIVE -0.25A (+) OSCILLOSCOPE (NOTE 1) 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 50/100 ns/cm 4.0 3.0 2.0 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0 0 25 50 75 100 125 150 175 O AMBIENT TEMPERATURE, ( C) 100 T A = 100 OC 10 T A = 75 OC 1.0 T A = 25 OC 0.1 0.01 0 20 40 60 80 100 120 140 INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, (µA) FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC FIG.2 TYPICAL FORWARD CURRENT DERATING CURVE 20 10 T J = 25 OC 3.0 1.0 SF38G SF35G~SF36G 0.3 0.1 SF31G~SF34G 0.03 Pulse Width=300uS 1% Duty Cycle 0.01 0 0.8 1.2 1.6 2.0 2.4 2.8 INSTANTANEOUS FORWARD VOLTAGE, (V) PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG.4 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.3 TYPICAL REVERSE CHARACTERISTICS 200 200 8.3ms Single Half Sine-Wave (JEDED Method) 100 50 30 20 10 1 JUNCTION CAPACITANCE, (pF) PEAK FORWARD SURGE CURRENT, (A) 0.4 T J = 25 OC 100 60 SF31G~SF34G 40 20 SF35G~SF3 8G 10 6 4 2 1 5 10 50 100 0.1 0.2 0.4 1.0 2 4 10 20 40 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE, (V) FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG.6 TYPICAL JUNCTION CAPACITANCE 2013-01 100 WILLAS ELEECTRONIC CORP.