How is FET a voltage controlled device

How is FET a voltage controlled device? the voltage applied between the gate and the source controls the drain current (id). which means you use the voltage to control the…

What is PSM in relay?

In the field of electrical engineering, a relay is a relay device designed to trip a switch when an error is detected. The first protection relays were electromagnetic devices based…

What is IR photodiode?

An IR sensor is basically a device consisting of a pair of an IR LED and a photodiode, collectively referred to as photocouplers or optocouplers. The IR LED emits IR…

What is a starter PTC?

A PTC (Positive Temperature Coefficient) relay is a starting device for refrigeration compressors. It is responsible for feeding the starter winding for a short time to help start the refrigerator…

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