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A 2N2222 transistor is an electronic component, more specifically an NPN bipolar junction transistor, or BJT, with a wide range of applications. It is capable of moderately high-speed operations with a design intended for low power and medium voltage use. The Basics...

All transistors function in the same general way, with a current that is applied to the inputs controlling the power output of another set of terminals. Some types of transistors have proved to be more versatile and useful than others, with certain designs becoming...