09-08-2014, 11:46 AM
Metal Oxide Semiconductor Field Effect Transistor
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Introduction
A MOSFET (Metal Oxide Semiconductor Field Effect Transistor) is a semiconductor device.
A MOSFET is most commonly used in the field of power electronics.
A semiconductor is made of manufactured material that acts neither like a insulator nor a conductor.
Working principle of MOSFET
A metal–oxide–semiconductor field-effect transistor (MOSFET) is based on the modulation of charge concentration by a MOS capacitance between a body electrode and a gate electrode located above the body and insulated from all other device regions by a gate dielectric layer which in the case of a MOSFET is an oxide, such as silicon dioxide.