![]() ![]() FETs are voltage-controlled bipolar transistors that are different from bipolar transistors. Field-Effect Transistors (FETs)įield-Effect Transistors are those types of transistors that are made up of three regions: the gate, source, and drain. Read More: Difference Between NPN and PNP Transistors 2. NPN transistors are currently the most widely used BJTs because electron mobility is greater than hole mobility in them.In a transistor, a low current supply at the base terminal can result in a large amount of current flowing from the emitter to the collector.The current flow within the base terminal of the transistor is formed by electrons flowing from the emitter terminal to the collector terminal. ![]() The majority of charge carriers in an NPN transistor are electrons, whereas the minority are holes. PNP Transistor consists of two n-type semiconductor layers separated by a thin p-type semiconductor layer.
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