BD237 Datasheet

Plastic Medium Power Silicon NPN Transistor


The BD237 is designed for use in 5.0 to 10 Watt audio amplifiers and drivers utilizing complementary or quasi complementary circuits. The BD237 transistor shows exceptional high gain performance coupled with very low saturation voltage. The PNP type is BD238. BD237 Features • Low saturation voltage• NPN transistors BD237 Applications • For medium power linear and switching applications


[{"Name":"Maximum Collector–Emitter Voltage VCEO","Value":"80 V"},{"Name":"Maximum Collector–Base Voltage VCBO","Value":"100 V"},{"Name":"Maximum Emitter–Base Voltage VEBO","Value":"5.0 V"},{"Name":"Maximum Collector Current IC","Value":"2.0 A"},{"Name":"Maximum Base Current IB","Value":"1.0 A"},{"Name":"Maximum Total Device Dissipation @ TC = 25C PD","Value":"25 W"},{"Name":"Maximum Collector peak current (tp < ms) ICM","Value":"6 A"},{"Name":"Maximum Operating and Storage Junction Temperature Range TJ, Tstg","Value":"–55 to +150 °C"},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information


Electrification, automation and digitalization are the long-term growth fields of Siemens. In order to take full advantage of the market potential in these fields, our businesses are bundled into eight divisions and Siemens Healthineers as well as Siemens Wind Power as a separately managed businesses.

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