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BUH515 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s HIGH VOLTAGE CAPABILITY s U.L. RECOGNISED ISOWATT218 PACKAGE (U.L. FILE # E81734 (N)). APPLICATIONS: s HORIZONTAL DEFLECTION FOR COLOUR TV AND MONITORS s SWITCH MODE POWER SUPPLIES 3 2 1 DESCRIPTION ISOWATT218 The BUH515 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 deflection circuits in televisions and monitors. INTERNAL SCHEMATIC DIAGRAM 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 8 A I CM Collector Peak Current (tp < 5 ms) 12 A IB Base Current 5 A I BM Base Peak Current (t p < 5 ms) 8 A o P t ot Total Dissipation at T c = 25 C 50 W o T stg St orage Temperature -65 to 150 C o Tj Max. Operating Junction Temperature 150 C June 1997 1/7 BUH515 THERMAL DATA o R t hj-ca se Thermal Resistance Junction-case Max 2.5 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 0.2 mA o Current (V