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…

What is DB gain?

In electronics, amplification is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of an input signal to the output port…

What is a Varicap diode?

In electronics, a varicap diode, a varactor diode, a variable capacitance diode, a variable reactance diode or an adjusting diode is a diode type designed to exploit the voltage-dependent capacitance…

What is FET?

What is FET. Fet (field effect transistor) is the second major type of transistor. the first major type is bjt (bipolar junction transistor).fets are uni polar devices because, unlike bjts…

What’s the point of fusing?

The point of fusing. The fuse function is usually to prevent fire – that is, the basic protection offered by the fuse – between the power supply and the appliance…

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