ST bd677 bd677a bd678 bd678a bd679 bd679a bd680 bd680a bd681 bd682 free download

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BD677/A/679/A681 BD678/A/680/A/682 COMPLEMENTARY SILICON POWER DARLINGTON TRANSISTORS n SGS-THOMSON PREFERRED SALESTYPES 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 1 2 The complementary PNP types are BD678, 3 BD678A, BD680, BD680A and BD682 respectively. SOT-32 INTERNAL SCHEMATIC DIAGRAM R1 Typ. = 10 K R2 Typ. = 150 ABSOLUTE MAXIMUM RATINGS Symb ol Parameter Valu e Unit NPN BD677/A BD679/A BD681 PNP BD678/A BD680/A BD682 V CBO Collector-Base Voltage (I E = 0) 60 80 100 V V CEO Collector-Emitter Voltage (IB = 0) 60 80 100 V V EBO Emitter-Base Voltage (IC = 0) 5 V IC Collector Current 4 A I CM Collector Peak Current 6 A IB Base Current 0.1 A o P tot T otal Dissipation at Tc 25 C 40 W o T s tg Storage T emperature -65 to 150 C o Tj Max. Operating Junction T emperature 150 C For PNP types voltage and current values are negative. October 1995 1/4 BD677/677A/678/678A/679/679A/680/680A/681/682 THERMAL DATA