![]() ![]() ![]() By applying voltage at the gate, it generates an electrical field to control the current flow through the channel between drain and source, and there is no current flow from the gate into the MOSFET.Ī MOSFET may be thought of as a variable resistor, where the Gate-Source voltage difference can control the Drain-Source Resistance. Unlike BJT which is ‘current controlled’, the MOSFET is a voltage controlled device. The MOSFET has “ gate“, “ Drain” and “ Source” terminals instead of a “base”, “collector”, and “emitter” terminals in a bipolar transistor. It is a special type of field-effect transistor (FET). MOSFET stands for metal-oxide semiconductor field-effect transistor. You can buy MOSFET’s for Arduino Projects on Amazon: What is MOSFET? MOSFET has some advantage and disadvantage over BJT, so choose carefully base on your application. ![]() However if you are into how MOSFET work, I will share some useful academic articles and resources at the end of this post. ![]()
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