SF31G_1

SF31G - SF38G 3.0 AMPS. Glass Passivated Super Fast Rectifiers DO-201AD Features H igh efficiency, low VF H igh current capability H igh reliability H igh surge current capability L ow power loss. F or use in low voltage, high frequency inventor, free wheeling, and polarity protection application M echanical Data C ase: Molded plastic E poxy: UL 94V-0 rate flame retardant L ead: Pure tin plated, lead free., solderable per MIL-STD-202, Method 208 guaranteed P olarity: Color band denotes cathode H igh temperature soldering guaranteed: o 260 C/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension M ounting position: Any W eight: 1.1 grams o Dimensions in inches and (millimeters) M aximum Ratings and Electrical Characteristics R ating at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% S ymbol SF SF SF SF T ype Number M aximum Recurrent Peak Reverse Voltage M aximum RMS Voltage M aximum DC Blocking Voltage M aximum Average Forward Rectified Current .375 (9.5mm) Lead Length o @T A = 5 5 C P eak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) M aximum Instantaneous Forward Voltage @ 3.0A o M aximum DC Reverse Current @ T A =25 C o at Rated DC Blocking Voltage @ T A =125 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) T ypical Thermal Resistance Operating Temperature Range T J S torage Temperature Range T STG N otes: SF U nits SF SF SF 31G 32G 33G 34G 35G 36G 37G 38G V RRM V RMS V DC I(AV) IFSM VF IR T rr Cj R θJA R θJL TJ T STG 5 0 100 150 200 300 400 500 600 3 5 70 105 140 210 280 350 420 5 0 100 150 200 300 400 500 600 3 .0 1 25 0 .95 5 .0 100 35 80 35 10 -65 to +150 -65 to +150 60 o V V V A A 1.3 1.7 V uA uA nS pF C/W o o C C 1. Reverse Recovery Test Conditions: IF =0.5A, IR =1.0A, IRR =0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 16mm x 16mm on PCB. Version: A06 RATINGS AND CHARACTERISTIC CURVES (SF31G THRU SF38G) FIG.1- MAXIMUM AVERAGE FORWARD CURRENT DERATING 3.0 FIG.3- TYPICAL REVERSE CHARACTERISTICS 1000 AVERAGE FORWARD CURRENT. (A) 2.5 100 Tj=125 0C 10 1.5 1.0 0.5 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 0 25 50 75 100 125 O INSTANTANEOUS REVERSE CURRENT. ( A) 2.0 Tj=75 0C 1 0 150 175 AMBIENT TEMPERATURE. ( C) 175 FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 0.1 Tj=25 0C PEAK FORWARD SURGE CURRENT. (A) 150 125 8.3ms Single Half Sine Wave JEDEC Method 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 100 75 50 25 FIG.4- TYPICAL FORWARD CHARACTERISTICS 100 1 2 5 10 20 50 100 INSTANTANEOUS FORWARD CURRENT. (A) 10 G 35 120 JUNCTION CAPACITANCE.(pF) Tj=25 0C 100 80 1 SF 60 40 20 0 31 SF G~ 35 SF G G~ 34 0.1 G SF 38 SF ~S 140 F3 8G F3 ~S G 37 SF 6G Tj=25oC Pulse Width=300 s 1% Duty Cycle FIG.5- TYPICAL JUNCTION CAPACITANCE 0.1 0.5 1 2 5 10 20 50 100 200 500 1000 0.01 0.4 0.6 REVERSE VOLTAGE. (V) 0.8 1.0 1.2 1.4 FORWARD VOLTAGE. (V) SF 31 G~ SF 34 G NUMBER OF CYCLES AT 60Hz 1.6 1.8 FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm Version: A06