BD137 NPN Bipolar Medium Power Transistor 60V 1.5A TO-126 Package (Pack of 10)
$72
$123.12
BD137 is a three layer NPN or PNP device within the working range, the collector current IC is a function of the base current IB, a change in the base current giving a corresponding amplified change in the collector current for a given collector emitter voltage VCE.
Bd Series Transistor