Field Effect Transistor (FET)

A Field Effect Transistor is a solid-state device in which current is controlled between source and drain terminals by voltage applied to a non-conducting gate terminal (in contrast, bipolar transistors are current-controlled); a transistor in which output current is controlled by a variable electric field.

See also MOSFET and JFET.

For FET selection and comparison information, see the FET section of the BEAM Reference Library's BEAM Pieces collection.

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