
Construction of MOSFET
A Metal oxide semiconductor field effect transistor (MOSFET) is also known as the IGFET i.e. insulated gate FET. The schematic constructional diagrams of both n-channel and p-channel MOSFETs are given below.

A Metal oxide semiconductor field effect transistor (MOSFET) is also known as the IGFET i.e. insulated gate FET. The schematic constructional diagrams of both n-channel and p-channel MOSFETs are given below.

Bipolar and unipolar transistors can be categorized according to their basic functionality. In bipolar transistor the electric current flows due to BOTH electrons and holes through it. However, in unipolar transistor the current flows EITHER due to electrons OR holes through it.