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BUL381D BUL382D HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS s SGS-THOMSON PREFERRED SALESTYPES s HIGH VOLTAGE CAPABILITY s LOW SPREAD OF DYNAMIC PARAMETERS s MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION s VERY HIGH SWITCHING SPEED s LARGE RBSOA s INTEGRATED ANTIPARALLEL COLLECTOR-EMITTER DIODE 3 2 1 APPLICATIONS s ELECTRONIC TRANSFORMERS FOR HALOGEN LAMPS TO-220 s ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING s SWITCH MODE POWER SUPPLIES DESCRIPTION The BUL381D and BUL382D are manufactured INTERNAL SCHEMATIC DIAGRAM using high voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capability. The BUL series is designed for use in lighting applications and low cost switch-mode power supplies. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Uni t V CES Collector-Emitter Voltage (V BE = 0) 800 V V CEO Collector-Emitter Voltage (I B = 0) 400 V V EBO Emitter-Base Voltage (I C = 0) 9 V IC Collector Current 5 A I CM Collector Peak Current (tp < 5 ms) 8 A IB Base Current 2 A I BM Base Peak Current (t p < 5 ms) 4 A o P t ot Total Dissipation at T c = 25 C 70 W o T stg St orage Temperature -65 to 150 C o Tj Max. Operating Junction Temperature 150 C July 1997 1/6 BUL381D / BUL382D THERMAL DATA o R t hj-ca se Thermal Resistance Junction-Case Max 1.78 C/W o R t hj- amb Thermal Resistance Junc