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 and BD140.
- Products are pre-selected in DC current gain
RoHS Compliance Grade
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.