View tip140-147 datasheet:

TIP140/141/142 TIP145/146/147 COMPLEMENTARY SILICON POWER DARLINGTON TRANSISTORS TIP141, TIP142, TIP145 AND TIP147 ARE SGS-THOMSON PREFERRED SALESTYPES COMPLEMENTARY PNP - NPN DEVICES MONOLITHIC DARLINGTON CONFIGURATION INTEGRATED ANTIPARALLEL COLLECTOR-EMITTER DIODE 3 APPLICATIONS 2 LINEAR AND SWITCHING INDUSTRIAL 1 EQUIPMENT TO-218 DESCRIPTION The TIP140, TIP141 and TIP142 are silicon epitaxial-base NPN power transistors in monolithic Darlington configuration and are mounted in TO-218 plastic package. They are intented for use in power linear and switching applications. INTERNAL SCHEMATIC DIAGRAM The complementary PNP types are TIP145, TIP146 and TIP147 respectively. R Typ. = 5 K? R Typ. = 150 ? 1 2 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Valu