What are Cement Resistors?

Cement resistor

Cement resistors are power resistors that are heat and flame resistant.

Cement resistors are made to handle a large amount of power flowing through it with it being undamaged by heat or flames. If you are designing a circuit where a lot of current is being passed through a resistor and with it needing to be resistant to high heat and flame, cement resistors is a good design choice.

Typical power ratings range from 1W to 20W or more.

Tolerances from the stated resistance value are around 5 percent.

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