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Electronic Knowledge | Transistor

一、Definition

Transistors are three terminal active devices made from different semiconductor materials that can act as either an insulator or a conductor by the application of a small signal voltage.

 

二、Function

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals controls the Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal.

 

三、How to order?

How to order?
package? Is NPN or PNP? BVECO (V) voltage? IC (A) amps?

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