SF21 thru SF29 Glass Passivated Super Fast Rectifiers Reverse Voltage 50 to 1000 Volts Forward Current 2.0 Amperes Features Low forward voltage drop High current capability High reliability High surge current capability Mechanical Data Case: Molded plastic DO-204AC (DO-15) 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: 0.014 ounce, 0.395 gram 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 21 S F 22 S F 23 S F 24 S F 25 S F 26 S F 27 S F 28 S F 29 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) 2.0 Amps Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 50.0 Amps Maximum instantaneous forward voltage @ 2.0A VF Maximum DC reverse current at rated DC blocking voltage @ TA=25oC @ TA=125oC trr Typical junction capacitance (Note 2) CJ Operating junction temperature range TJ Storage temperature range 1.3 1.7 5.0 100 IR Maximum reverse recovery time (Note 1) Notes: 0.95 uA uA 35 60 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. 237 Volts nS 30 pF -55 to +150 o C -55 to +150 o C RATINGS AND CHARACTERISTIC CURVES 238