How Do Wirewound Resistors Work

The same resistor could be made with a short length of nickel alloy wire resulting in a much smaller device. For example a high resistance design would require a long copper wire and the resistor would be large.

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Wirewound resistors are mainly produced with alloys since pure metals have a high temperature coefficient of resistance.

How do wirewound resistors work. Wire it into a circuit and you reduce the current by a precise amount. Learn to work with resistors at the beginning of my electronics career i thought it seemed like resistor were just randomly placed around a circuit and i thought that you didnt really need them. The wire wound resistors can range from small surface mount components to a large tubular power resistor.

Riedon makes wire wound resistors using wire of several metal alloys and sizes. They can do that by adding tiny components called resistors. Thus the wire wound resistors operates at high temperature.

The selection of wire depends on several factors. However for high temperatures pure metals are used such as tungsten. The temperature coefficient is a sign of how much the resistance will change as the temperature changes.

People who make electric or electronic circuits to do particular jobs often need to introduce precise amounts of resistance. For example i remember seeing a circuit with a 9v battery a resistor and an led. Hence even at high temperature heat does not enter into the wire wound resistor.

A resistor is a little package of resistance.

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