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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” Mechanical Date 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) DO-201AD Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRONICAL CHARACTERISTICS Ratings at 25℃ ambi ent temperature unless otherwise specified. Single phase half wave, 60Hz, resistive of inductive load. For capacitive load, derate current by 20% RATINGS SYMBOLS SF31G SF32G SF33G SF34G SF35G SF36G SF38G UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 150 200 300 400 600 Volts Maximum RMS Voltage VRMS 35 70 105 140 210 280 420 Volts Maximum DC Blocking Voltage VDC 50 100 150 200 300 400 600 Volts Maximum Average Forward rectifier Current 0.375” (9.5mm) Lead length at Ta = 55℃ IF(AV) 3.0 Amps Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 125 Amps Maximum Instantaneous Forward Voltage at 3.0A DC VF 0.95 1.27 1.75 Volts Maximum DC Reverse Current at Rated DC Blocking Voltage @ Ta=25℃ IR 5.0 μA @ Ta=100℃ 100 Maximum Reverse Recovery Time (Note 1) TRR 35 ns Typical Thermal Resistance (Note 3) RθJA 50 ℃/W RθJL 20 Typical Junction Capacitance(Note 2) CJ 50 30 pF Operating and Storage Temperature Range TJ ,TSTG -55 ~ 150 ℃ 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. .220(5.60) .197(5.00) .052(1.30) .048(1.20) 1.00(25.4)MIN. 1.00(25.4)MIN. .375(9.50) .335(8.50) DIA. DIA.
SF38G 3.0 Amp Glass Passivated Super Fast Rectifiers - 50~600Volts 2013-01 WILLAS ELEECTRONIC CORP. O O O INSTANTANEOUS REVERSE CURRENT, (µA) PEAK FORWARD SURGE CURRENT, (A) JUNCTION CAPACITANCE, (pF) INSTANTANEOUS FORWARD CURRENT, (A) AVERAGE FORWARD CURRENT, (A) RATING AND CHARACTERISTICS CURVES 50 Θ NONINDUCTIVE 10 Θ NONINDUCTIVE +0.5A trr 5.0 4.0 ( + )
25 Vdc
(approx) ( - ) D.U.T NON- INDUCTIVE OSCILLOSCOPE (NOTE 1) ( - ) PULSE GENERATOR (NOTE 2) ( + ) -0.25A 3.0 2.0 1.0 Single Phase Half Wave 60Hz Resistive or NOTES: 1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = -1.0A 1cm Inductive Load 50 ohms. SET TIME BASE FOR 50/100 ns/cm 0 25 50 75 100 125 150 175 FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC AMBIENT TEMPERATURE, ( O FIG.2 TYPICAL FORWARD CURRENT DERATING CURVE 100 1.0 0.1 0.01 TA = 100 O C TA = 7 5 C TA = 2 5 C 3.0 1.0 0.3 0.1 0.03 0.01 TJ = 25 O C SF38G SF35G ~SF 36G SF31G ~SF 34G Pulse Width=300uS 1% Duty Cycle PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG.3 TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS FORWARD VOLTAGE, (V) FIG.4 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 200 100 8.3ms Single Half Sine-Wave (JEDED Method) 200 100 SF35G~SF38G SF31G ~SF 34G TJ = 25 C 1 5 10 50 100 0.1 0.2 0.4 1.0 2 4 10 20 40 100 NUMBER OF CYCLES AT 60Hz FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT REVERSE VOLTAGE, (V) FIG.6 TYPICAL JUNCTION CAPACITANCE