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BUH315 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s SGS-THOMSON PREFERRED SALESTYPE s HIGH VOLTAGE CAPABILITY s U.L. RECOGNISED ISOWATT218 PACKAGE (U.L. FILE # E81734 (N)). APPLICATIONS: s HORIZONTAL DEFLECTION FOR COLOUR TV 3 2 s SWITCH MODE POWER SUPPLIES 1 ISOWATT218 DESCRIPTION The BUH315 is manufactured using Multiepitaxial Mesa technology for cost-effective high performance and uses a Hollow Emitter structure to enhance switching speeds. The BUH series is designed for use in horizontal INTERNAL SCHEMATIC DIAGRAM deflection circuits in televisions and monitors. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Uni t V CBO Collector-Base Voltage (IE = 0) 1500 V V CEO Collector-Emitter Voltage (I B = 0) 700 V V EBO Emitter-Base Voltage (I C = 0) 10 V IC Collector Current 6 A I CM Collector Peak Current (tp < 5 ms) 12 A IB Base Current 3 A I BM Base Peak Current (t p < 5 ms) 5 A o P t ot Total Dissipation at T c = 25 C 44 W o T stg St orage Temperature -65 to 150 C o Tj Max. Operating Junction Temperature 150 C June 1997 1/7 BUH315 THERMAL DATA o R t hj-ca se Thermal Resistance Junction-case Max 2.8 C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symb ol Parameter Test Cond ition s Min. Typ . Max. Un it I CES Collector Cut-off V CE = 1500 V 200