Function : NPN SILICON TRANSISTORS
Maker : STMicroelectronics
1. Products are pre-selected in DC current gain
These epitaxial planar transistors are mounted in the SOT-32 plastic package. They are designed
for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits.
The NPN types are the BD135 and BD139, and the complementary PNP types are the BD136
BD139 Datasheet PDF Download
Others datasheet of same file : BD135, BD135-16, BD136, BD136-16