Understanding Resistors

 Diagram Of Resistors


How do Resistors work? 

Resistors work by restricting the flow of electrons. The amount of resistance is dictated by the length, cross-sectional area, and type of resistive material.

Different types of Resistors:

Carbon Film/Metal Film Resistors have a ceramic core coated with a carbon composite or metal film etched in a helical pattern. As the helix’s pitch decreases, the path electrons take between terminals increases, which creates more resistance.

Wirewound Resistors contain a thin conductive wire wrapped around a non-conductive ceramic core. More turns and a thinner wire increase the resistance.

SMD Resistors are composed of a carbon composite coat deposited onto a ceramic substrate. The film is etched away until the desired resistance is reached.

 

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