Power Transistor, referred to as MOSFET (Metal Oxide Semiconductor field deffect Transistor), is a kind of semiconductor device. Different from ordinary field effect transistor, power transistor is used for high power amplification, switching, regulation and other purposes of the transistor, its effective carrier is mainly electronic, can withstand large current and voltage, widely used in electric construction, electronic lamps, household appliances, electric vehicles and other fields.
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