SF35

SF31 - SF38 3.0 AMPS. Super Fast Rectifiers DO-201AD Features H igh efficiency, low VF H igh current capability H igh reliability H igh surge current capability Low power loss. For use in low voltage, high frequency inventor, free wheeling, and polarity protection application M echanical Data C ases: 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: 260oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension W eight: 1.2 grams Dimensions in inches and (millimeters) R ating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% S ymbol S F SF SF SF SF SF SF SF U nits T ype Number 31 32 33 34 35 36 37 38 M aximum Recurrent Peak Reverse Voltage V V RRM 5 0 100 150 200 300 400 500 600 M aximum RMS Voltage V V RMS 3 5 70 105 140 210 280 350 420 M aximum DC Blocking Voltage 50 100 150 200 300 400 500 600 V V DC 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 @ TA=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal resistance Operating Temperature Range S torage Temperature Range N otes: M aximum Ratings and Electrical Characteristics I(AV) IFSM VF IR T rr Cj R θJA TJ TSTG 3.0 125 0.95 5.0 100 35 80 35 -65 to +125 -65 to +150 70 o 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 (SF31 THRU SF38) FIG.1- MAXIMUM AVERAGE FORWARD CURRENT DERATING 3.0 FIG.2- TYPICAL REVERSE CHARACTERISTICS 1000 AVERAGE FORWARD CURRENT. (A) 2.5 INSTANTANEOUS REVERSE CURRENT. ( A) 2.0 100 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 Tj=100 0C 10 0 150 175 AMBIENT TEMPERATURE. ( C) 1 Tj=25 0C 175 FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) 150 125 100 75 50 25 0 8.3ms Single Half Sine Wave JEDEC Method 0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.5- TYPICAL FORWARD CHARACTERISTICS 100 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS FORWARD CURRENT. (A) FIG.4- TYPICAL JUNCTION CAPACITANCE 180 160 140 120 100 80 SF 10 JUNCTION CAPACITANCE.(pF) 1 SF 31 ~S 0.1 F3 4 60 40 0.1 35~ SF SF 31 ~S F3 4 6 F3 ~S 35 38 SF SF 7~ F3 S 38 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.5 1 2 5 10 20 REVERSE VOLTAGE. (V) 50 100 200 500 1000 0.01 0.2 0.4 0.6 0.8 1.0 1.2 FORWARD VOLTAGE. (V) 1.4 1.6 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