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BD905FI POWER LINEAR AND SWITCHING APPLICATIONS s SGS-THOMSON PREFERRED SALESTYPE s NPN TRANSISTOR APPLICATION s LINEAR AND SWITCHING INDUSTRIAL EQUIPMENT DESCRIPTION The BD905FI is silicon epitaxial-base NPN power 3 transistor in ISOWATT220 plastic package. It is 2 1 intented for use in power linear and switching applications. ISOWATT220 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Uni t V CBO Collector-Base Voltage (IE = 0) 45 V V CEO Collector-Emitter Voltage (I B = 0) 45 V V EBO Emitter-Base Voltage (I C = 0) 5 V I E,IC Emitter and Collector Current 15 A IB Base Current 5 A o P t ot Total Dissipation at T c = 25 C 35 W o T stg St orage Temperature -65 to 150 C o Tj Max. Operating Junction Temperature 150 C June 1997 1/4 BD905FI THERMAL DATA o R t hj-ca se Thermal Resistance Junction-case Max 3.57 C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symb ol Parameter Test Cond ition s Min. Typ . Max. Un it I CBO Collector Cut-off V CB = 45 V T c ase = 150 Co 500