BD439 Datasheet PDF - STMicroelectronics

DESCRIPTION
The BD439 and BD441 are silicon epitaxial-base NPN power transistors in Jedec SOT-32 plastic package, intented for use in power linear and switching applications.
The complementary PNP types are BD440, and BD442 respectively.

■ SGS-THOMSON PREFERRED SALESTYPES
■ COMPLEMENTARY PNP - NPN DEVICES