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BD677/A/679/A/681 BD678/A/680/A/682 COMPLEMENTARY SILICON POWER DARLINGTON TRANSISTORS nSGS-THOMSON PREFERRED SALESTYPES nCOMPLEMENTARY PNP - NPN DEVICES nMONOLITHIC DARLINGTON CONFIGURATION nINTEGRATED ANTIPARALLEL COLLECTOR-EMITTER DIODE APPLICATION nLINEAR AND SWITCHING INDUSTRIAL EQUIPMENT DESCRIPTION The BD677, BD677A, BD679, BD679A and BD681 are silicon epitaxial-base NPN power transistors in monolithic Darlington configuration mounted in Jedec SOT-32 plastic package. They are intended for use in medium power linar and switching applications The complementary PNP types are BD678, BD678A,BD680,BD680AandBD682 respectively. INTERNAL SCHEMATIC DIAGRAM R 1 Typ.= 7KΩR 2 Typ.= 230Ω September 1997 ABSOLUTE MAXIMUM RATINGS SymbolParameterValueUnit NPNBD677/ABD679/ABD681 PNPBD678/ABD680/ABD682 V CBO Collector-Base Voltage (I E =0)6080100V V CEO Collector-Emitter Voltage (I B =0)6080100V V EBO Emitter-Base Voltage (I C =0)5V I C Collector Current4A I CM Collector Peak Current6A I B Bas e Curr ent0.1A P tot Total Dissipation at T c ≤25 o C40W T stg Storage Temperature-65 to 150 o C T j Max. Operating Junction Temperature150 o C For PNP types voltage and current values are negative. 3 2 1 SOT-32 1/6