6/9/2023 0 Comments Npn transistor download![]() In this tutorial we will talk about the NPN transistors. There are two types of BJT - NPN and PNP transistors. Identifying the terminals of a transistor requires the pin diagram of a particular BJT part, it will be available in the datasheet. BJT is a three terminal device with Collector (C), Base (B) and Emitter (E). “Two polarities” is abbreviated as bipolar, hence the name Bipolar junction transistor. The first bipolar junction transistor was invented in 1947 at Bell laboratories.
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