How to use MOSFET. Design note 2


MOSFET
MOSFET is Metal Oxide Semi conductor Field Effect Transistor, a very efficient type of switching transistor used in power devices like Inverters, UPS, Power amplifier etc. Its high current capability and fast switching makes it as an ideal choice for these applications. MOSFET is a four terminal device. The terminals are Drain, Source, Gate and the Substrate or Body terminal. The Drain and Source terminals are connected to the heavily doped regions. The Gate terminal is connected top on the oxide layer while the Substrate terminal is connected to the intrinsic semi conductor.
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