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什么是自恢复保险丝?
tempo:2026-02-25 Navegar:

  自恢复保险丝是一种过流保护元件。与普通保险丝在故障后需要更换不同,它在故障排除后会自动复位,无需人工干预。

  它的学名是聚合物正温度系数热敏电阻(PPTC,Polymeric Positive Temperature Coefficient),从名字就能看出它的原理。采用高分子有机聚合物在高压、高温、硫化反应的条件下,掺加导电粒子材料后,经过特殊工艺加工而成。主要应用于过流和短路保护,为产品提供保驾护航。

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