Field effect transistor

Field effect transistor is a semiconductor device, which can be divided into different types such as JFET, MOSFET and IGBT according to different working principles. JFET is a resistor that controls current flow. It has the characteristics of low noise and high input resistance and is commonly used in amplifiers and switching circuits. MOSFET is a voltage-controlled field effect transistor with the characteristics of high input resistance, low switching loss and high-speed switching. It is widely used in the field of power electronics. IGBT is a semiconductor device between MOSFET and ordinary transistor. It has the advantages of high voltage, high current and low conduction voltage drop. It is commonly used in fields such as high-power converters and motor drivers.

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