what is a electrical components
Various electronic components. An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields. transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. 1  Transistors. 2  Bipolar junction transistor (BJT, or simply transistor) â NPN or PNP. 3  Photo transistor â Amplified photodetector.