This tutorial is about the kinds of transistors in which they are available. There are 2 main classifications of transistors. These two main classes are bipolar and field effect. Transistors are also classified on the basis of the semiconductor material used silicon or germanium, and also on the basis of their field of application (for example,general purpose, switching, high frequency, and much more). Transistors are also classified on the grounds of their application for which they are designed for. Table below shows the various categories of tansistors.
It is noticeable that that two or more transistor of different classifications can be combined so that it is possible, for example, to classify a transistor as a ‘low-frequency power transistor’ or as a ‘low-noise high-frequency transistor’.
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