Carbon composition


The Carbon composition resistors are a blend of carbon particles, graphite and ceramic dust mixed with a binder substance like clay. This mixture is treated with high pressure and temperature. After the whole thing is molded in a case, the leads are fixed.

·        Thermal mass of the carbon composition resistor is higher so as to withstand high energy pulses.

·        These resistors have low stability and high noise which is a disadvantage.

The following figure shows an image of carbon composition resistor.

Description: Carbon Composition

Carbon composition resistors are used in Surge protection, Current limiting, and High voltage power supplies.

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