SF31 thru SF39 Glass Passivated Super Fast Rectifiers Reverse Voltage 50 to 1000 Volts Forward Current 3.0 Amperes Features Low forward voltage drop High current capability High reliability High surge current capability Mechanical Data Case: Molded plastic DO-201AD Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 250oC/10 seconds .375” (9.5mm) lead lengths at 5 lbs., (2.3kg) tension Mounting position: Any Weight: 0.042 ounce, 1.195 grams Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20% Parameter Symbols S F 31 S F 32 S F 33 S F 34 S F 35 S F 36 S F 37 S F 38 S F 39 Units Maximum repetitive peak reverse voltage VRRM 50 100 150 200 300 400 600 800 1000 Volts Maximum RMS voltage VRMS 35 70 105 140 210 280 420 560 700 Volts Maximum DC blocking voltage V DC 50 100 150 200 300 400 600 800 1000 Volts Maximum average forward rectified current .375" (9.5mm) lead length @TA=55oC I(AV) 3.0 Amps Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 125.0 Amps Maximum instantaneous forward voltage @ 3.0A DC VF Maximum DC reverse current at rated DC blocking voltage @ TA=25oC @ TA=125oC Maximum reverse recovery time (Note 1) Typical junction capacitance (Note 2) Typical thermal resistance Operating junction temperature range Storage temperature range Notes: 0.95 1.3 1.7 Volts IR 5.0 100 uA uA trr 35 nS CJ 100 80 pF RθJA RθJL 25 8.0 TJ -55 to +150 o C -55 to +150 o C TSTG 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. 243 o C/W RATINGS AND CHARACTERISTIC CURVES 244