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SGSF313 SGSF313PI HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS s HIGH VOLTAGE CAPABILITY (450V VCEO) s VERY HIGH SWITCHING SPEED: tf = 35ns TYPICAL AT IC = 2.5A, IB1 = 0.5A, VBEoff = -5V s LOW SATURATION VOLTAGE s COMPLETE CHARACTERIZATION AT 100 oC s U.L. RECOGNISED ISOWATT220 PACKAGE (U.L. FILE # E81734 (N)). APPLICATION 3 3 2 2 s SWITCH MODE POWER SUPPLIES 1 1 s FLYBACK AND FORWARD SINGLE TRANSISTOR LOW POWER CONVERTERS TO-220 ISOWATT220 DESCRIPTION The SGSF313 and SGSF313PI are high voltage NPN FASTSWITCHING transistors designed to be used as switch in high efficency OFF-LINE (220V mains) switching power supplies for consumer applications like sets VCR's and INTERNAL SCHEMATIC DIAGRAM monitors. ABSOLUTE MAXIMUM RATINGS Symb ol Parameter Valu e Un it SGSF 313 SGSF 313PI V CEX Collector-Emitter Voltage (VBE = -2.5V) 1000 V V CES Collector-Emitter Voltage (VBE = 0) 1000 V V CEO Collector-Emitter Voltage (IB = 0) 450 V VEBO Emitter-Base Voltage (IC = 0) 10 V IC Collector Current 7 A I CM Collector Peak Current (tp < 5 ms) 10 A IB Base Current 3 A I BM Base Peak Current (tp < 5 ms) 6 A o P tot T otal Dissipation at Tc = 25 C 70 35 W o T s tg Storage Temperature -65 to 150 C o Tj Max. Operating Junction T emperature 150 C September 1997 1/7 SGSF313 / SGSF313P