Category: MOS-FETs 

A MOS-FET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a voltage-controlled semiconductor device that uses an insulated gate to regulate how much current flows between its source and drain terminals, allowing it to function efficiently as a switch or amplifier. Its gate is separated from the conducting channel by a thin oxide layer, so applying a voltage creates an electric field that either enables or blocks current flow, depending on the MOS-FET type (enhancement or depletion, and N-channel or P-channel). Because it requires almost no input current, switches quickly, and consumes very little power, the MOS-FET is the most widely used transistor in modern digital and power electronics, forming the foundation of microprocessors, memory chips, and many switching circuits.

 

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Internal identifier: mos-fet - Created: 2026-02-12 16:36:16