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BDX53A/53B/53C BDX54B/54C COMPLEMENTARY SILICON POWER DARLINGTON TRANSISTORS s BDX53B, BDX53C, BDX54B AND BDX54C ARE SGS-THOMSON PREFERRED SALESTYPES APPLICATIONS s AUDIO AMPLIFIERS s LINEAR AND SWITCHING INDUSTRIAL 3 EQUIPMENT 2 1 DESCRIPTION TO-220 The BDX53A, BDX53B and BDX53C are silicon epitaxial-base NPN power transistors in monolithic Darlington configuration and are mounted in Jedec TO-220 plastic package. They are intented for use in hammer drivers, audio amplifiers and other medium power linear and INTERNAL SCHEMATIC DIAGRAM switching applications. The complementary PNP types for BDX53B and BDX53C are the BDX54B and BDX54C respectively. R1 Typ. = 10 K R 2 Typ. = 150 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Uni t NPN BDX53A BDX53B BDX53C PNP BDX54B BDX54C V CBO Collector-Base Voltage (IE = 0) 60 80 100 V V CEO Collector-Emitter Voltage (I B = 0) 60 80 100 V V EBO Emitter-base Voltage (I C = 0) 5 V IC Collector Current 8 A I CM Collector Peak Current (repetitive) 12 A IB Base Current 0.2 A P t ot Total Dissipation at T c 25 C o 60 W o T stg Storage Temperature -65 to 150 C o Tj Max. O perating Junction Temperature 150 C September 1997 1/6 BDX53A/53B/53C-BDX54B/54C THERMAL DATA