Transistor Model catalog

Bipolar Junction Transistor, also known as bipolar transistor, transistor, is a semiconductor device that controls current. Its function is to amplify a weak signal into an electrical signal with a large amplitude value, and also as a contactless switch.

A transistor is one of the basic components of a semiconductor and a core component of an electronic circuit. The triode is made up of two closely spaced PN junctions on a semiconductor substrate. The two PN junctions divide the monolithic semiconductor into three parts, the middle part is the base area, and the two sides are the emitter area and the collector area, and the arrangement is PNP. And NPN two as following picture.

Transistors are often used in the automotive industry. Such as automotive transistor regulator circuit,which could instead of electromagnetic vibrating voltage regulator, automotive photoelectric electronic ignition controller, automotive brake light fault monitor, windshield washer liquid level low alarm, automotive photoelectric speed sensor and so on.

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