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Do Mosfets Make Noise? [Solved]

Part of it is a high voltage power supply, which has a MOSFET in it. Unlike the breadboarded version, the MOSFET on the PCB is making a high pitched noise which changes pitch if anything touches the heat sink mount as well as getting rather hot.8 May 2017

How a MOSFET Works - with animation! | Intermediate Electronics

In this tutorial, using some animation, Josh explains how a

Introduction to MOSFET Noise

This video introduces the concepts of

Noise suppression for an electric motor

An explanation of what causes radio frequency