STC is one of few remaining manufacturers of NPN and PNP power transistors and Darlingtons. We sustain full wafer fabrication capability and maintain QML (QPL) status on over 135 bipolar power transistor and Darlington types. Refer to the QML listing on this site. All of STC's bipolar transistors are available in custom packaging, including surface mount, through-hole, chassis-mount, and multi-chip module configurations.

Contact your local Representative, or the factory, for your custom requirements.

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Silicon Transistor Corporation
27 Katrina Road
Chelmsford, MA 01824
Phone 978~256~3321
Fax 978~250-1046