SF31 MOSPEC | Alldatasheet
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Technical content
Switchmode Power Rectifiers ULTRA FAST Designed for use in switching power supplies. inverters and RECTIFIERS as free wheeling diodes. These state-of-the-art devices have the following features: 3.0 AMPERES 50 -- 400 VOLTS * High Surge Capacity * Low Power Loss, High efficiency * Glass Passivated chip junctions * 150°C Operating Junction Temperature * Low Stored Charge Majority Carrier Conduction * Low Forward Voltage , High Current Capability * Utrafast 35 & 50 Nanosecond Recovery Time * Plastic Material used Carries Underwriters Laboratory ———“————_ Flammability Classification 94V-O MAXIMUM RATINGS D0-201AD Characteristic Symbol[ SF Peak Repetitive Reverse Voltage Verw Working Peak Reverse Voltage Vawm | 80} 100 200] 300 v ‘ole? DC Blocking Voltage Ve Non-Repetitive Peak Surge Current leew A De = ( Surge applied at rate load conditions 75 50 ' halfware, single phase,60Hz ) Operating and Storage Junction T,. T. °C [MAX | Temperature Range pos - 65 to + 150 [Min _|Max A 5.00) 5.60: B | 25.40) — ELECTRICAL CHARACTERISTICS c 8.50} 9.50 Characteristic a b | 120] 130 Maximum Instantaneous Forward Ve v Voltage CASE--- (|,=3.0 Amp, T, = 25 °C) 0.95 1.30 Transfer molded Maximum Instantaneous Reverse uA plastic Current ( Rated DC Voltage, T, = 25 °C) 5.0 POLARITY--- ( Rated DC Voltage, T, = 125 °C) 70 Cathode indicated - polarity band Reverse Recovery Time Th Typical Junction Capacitance Cc, pF ( Reverse Voltage of 4 volts & f=1 MHz) 55 45
FIG-1 TYPICAL FORWARD CHARACTERISTICS FIG-3 FORWARD CURRENT CERATING CURVE _——— z ~ a eS SS Tc ae NS 2 a ee ee A 3 3 === 2 | e/a —— — 2 a fA ge, FLA | | tT tT ft E10 TeMPERATIRE (0) £1 06 ua 1 12 FIG-4 TYPICAL JUNCTION CAPACITANCE 2 20 om 0 EE ll e RSS EEE EH
8 FSS era HH
FIG-2 TYPICAL REVERSE CHARACTERISTICS Q a > 80a Eo ———- | Fa ee HS THttl = SS a COTTISSTSST _ — 6 | 8 WY fy a : Po = es SS SS ey A) S| re) ee ee ee REVERSE VOLTAGE (ote) & SS SSS SSS! SS FIG-5 PEAK FORWARD SURGE CURRENT a ee NS OS Pa a 5b. — Te 6 o ae SS 1} 3 _—— \\ _ = es aD A | sol a tI _ a a et Oe 5 NI il i 2 0 20 40 60 go 100 120140 e | | a — | 8 | | eta Vt PERCENT OF PEAK REVERSE VOLTAGE(%) 2% f- 7 Se g Dita - W—- ie Ht Pees sr x ol— ae _ | TTT a4 sw ot . [NUMBER OF CYCLES AT 60H son NI 100 NI P= ow ct s0sag bp — vice LT] | | Test i | = Approx Ganatator ° r | Ps (Note 2) aa — - — t sees al AT a 4 Rise Time = 7 ns max. Input Impedance =1 MO ,22 pF 2. Rise Time = 10 ns max. Input Impedance = 50.0. Setie base 1020 nek Fig-6 Reverse Recovery Time Characteristic and Test Circuit Diagram