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Chip varistors

Chip varistors

Unlike the standard push-through version with two long wire connections, varistors are SMD assemblies that are extremely compact and therefore especially suitable for surface mounting. Like their larger relatives, they provide reliable protection against overvoltages. In an emergency, they reduce their resistance in a flash, conducting away the excess charge. For this reason one of their applications is to protect complex, sensitive circuits and they are also used in high-power engineering.

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