The BDX33B and BDX33C are silicon Epitaxial-Base NPN power transistors in monolithic Darlington configuration mounted in Jedec TO-220 plastic package. They are intented for use in power linear and switching applications.
The complementary PNP types are BDX34B and BDX34C respectively.
Discover our Darlington transistor portfolio available with a voltage range up to 400 V, with both NPN and PNP polarity.
(**) 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.