SF31G - SF38G Pb 3.0AMPS. Glass Passivated Super Fast Rectifiers DO-201AD RoHS COMPLIANCE Features High efficiency, low VF High current capability High reliability High surge current capability Low power loss For use in low voltage, high frequency inventor, Free wheeling, and polarity protection application Green compound with suffix "G" on packing code & prefix "G" on datecode Mechanical Data Case: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Pure tin plated, lead free, solderable per MIL-STD-202, Method 208 guaranteed Polarity: As marked SF3XG = Specific Device Code High temperature soldering: 260/10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension G = Green Compound Mounting position: Any Weight: 1.1 grams Dimensions in inches and (millimeters) Marking Diagram Y = Year WW = Work Week Maximum Ratings and Electrical Characteristics Rating at 25 ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Maximum Repetitive Peak Reverse Voltage VRRM SF 31G 50 Maximum RMS Voltage VRMS 35 70 105 140 210 280 350 420 V Maximum DC Blocking Voltage VDC 50 100 150 200 300 400 500 600 V Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @TA = 50 IF(AV) 3 A Peak Forward Surge Current, 8.3 ms Single Half Sinewave Superimposed on Rated Load (JEDEC method) IFSM 125 A Type Number Symbol Maximum Instantaneous Forward Voltage (Note 1) @3A VF Maximum DC Reverse Current at Rated DC Blocking Voltage IR TA=25 TA=125 Maximum Reverse Recovery Time (Note 2) Trr Typical Junction Capacitance (Note 3) Cj Typical Thermal Resistance (Note 4) Operating Temperature Range Storage Temperature Range SF 32G 100 SF 33G 150 SF 34G 200 SF 35G 300 SF 36G 400 SF 37G 500 SF 38G 600 0.95 1.3 Unit V 1.7 V 5 uA 100 35 80 nS 60 pF RjA RjL RjC 35 10 9 TJ - 65 to + 150 O C TSTG - 65 to + 150 O C O Note 1: Pulse Test with PW=300 usec, 1% Duty Cycle Note 2: Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A Note 3: Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C. Note 4: Mount on Heatsink size of 2" x 3" x 0.25" Version:D10 C/W RATINGS AND CHARACTERISTIC CURVES (SF31G THRU SF38G) FIG. 2 TYPICAL REVERSE CHARACTERISTICS FIG.1 FORWARD CURRENT DERATING CURVE 1000 4 AVERAGE FORWARD A CURRENT (A) 100 INSTANTANEOUS REVERSE A CURRENT (uA) 3 RESISTIVE OR INDUCTIVE LOAD 2 1 0 0 25 50 75 100 125 150 175 TA=125 10 TA=75 1 TA=25 0.1 LEAD TEMPERATURE (oC) 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) FIG. 3 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG. 4 TYPICAL FORWARD CHARACTERISRICS 8.3mS Single Half Sine Wave JEDEC Method 150 100 125 100 SF31G-SF34G 75 10 50 25 0 1 10 100 NUMBER OF CYCLES AT 60 Hz INSTANTANEOUS FORWARD A CURRENT (A) PEAK FORWARD SURGE A CURRENT (A) 175 1 SF35G-SF36G 0.1 SF37G-SF38G FIG. 5 TYPICAL JUNCTION CAPACITANCE 0.01 140 0.4 0.6 0.8 1 1.2 1.4 1.6 FORWARD VOLTAGE (V) 120 CAPACITANCE (pF) TA=25 Pulse Width=300us 1% Duty Cycle 100 SF31G-SF34G 80 60 40 SF35G-SF38G 20 0 0.1 1 10 100 1000 REVERSE VOLTAGE (V) Version:D10 1.8