Glossary:Polyfuse: Revision history

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8 October 2022

  • curprev 11:3411:34, 8 October 2022Philip talk contribs 485 bytes +485 Created page with "A polyfuse or polyswitch or polymeric positive temperature coefficient (PPTC) device is an alternative to a conventional fuse for protection against a dangerously large current flow in a fault condition. It consists of a polymer loaded with carbon particles. An excessive current causes it to heat up and the polymer to expand so that the carbon particles are no longer in contact. As a result, the current can no longer flow until it's allowed to cool down. See Polyfuses in..."