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... with copper or chromium-alloy wire as a resistance element. Except for the slide contact surface,the entire component is coated with a high-temperature,non-flammable resin.After cooling and drying, insulati...
...a circuit without interruption. The construction is very similar to the construction of potentiometers. 2.ZENITHSUN BCI series Variable Rheostat is wound with copper or chromium-alloy wire as a resistance el...