Lastly, another type of transistor is insulated-gate bipolar transistors, which contain both a voltage-driven MOSFET and a high-current transistor.Ī transistor is a sort of electrical device made up of p-type and n-type semiconductors. On the other hand, bipolar transistors employ both holes and electrons as charge carriers and are classified as NPN and PNP transistors. They are generally divided into two categories: N-channel and P-channel transistors. Additionally, there are numerous other types of transistor that are classified based on their characteristics, advantages, and disadvantages.įield-effect transistors are unipolar devices that lack a PN junction in their current-carrying path. Transistors are primarily categorized into two types: field-effect transistors (FETs) and bipolar transistors (also called bipolar junction transistors, BJTs). A semiconductor device known as a transistor is commonly utilized to switch or amplify electronic signals within an electric circuit.
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