PTC是一种新型的半导体陶瓷材料,它的发热效率较高,PTC有一个人为设定的温度.当它的温度低于设定温度时,其电阻值会随它的温度升高而变小;当它的温度高于设定温度时,其电阻值随它的温
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![PTC是一种新型的半导体陶瓷材料,它的发热效率较高,PTC有一个人为设定的温度.当它的温度低于设定温度时,其电阻值会随它的温度升高而变小;当它的温度高于设定温度时,其电阻值随它的温](/uploads/image/z/4592430-54-0.jpg?t=PTC%E6%98%AF%E4%B8%80%E7%A7%8D%E6%96%B0%E5%9E%8B%E7%9A%84%E5%8D%8A%E5%AF%BC%E4%BD%93%E9%99%B6%E7%93%B7%E6%9D%90%E6%96%99%2C%E5%AE%83%E7%9A%84%E5%8F%91%E7%83%AD%E6%95%88%E7%8E%87%E8%BE%83%E9%AB%98%2CPTC%E6%9C%89%E4%B8%80%E4%B8%AA%E4%BA%BA%E4%B8%BA%E8%AE%BE%E5%AE%9A%E7%9A%84%E6%B8%A9%E5%BA%A6%EF%BC%8E%E5%BD%93%E5%AE%83%E7%9A%84%E6%B8%A9%E5%BA%A6%E4%BD%8E%E4%BA%8E%E8%AE%BE%E5%AE%9A%E6%B8%A9%E5%BA%A6%E6%97%B6%2C%E5%85%B6%E7%94%B5%E9%98%BB%E5%80%BC%E4%BC%9A%E9%9A%8F%E5%AE%83%E7%9A%84%E6%B8%A9%E5%BA%A6%E5%8D%87%E9%AB%98%E8%80%8C%E5%8F%98%E5%B0%8F%EF%BC%9B%E5%BD%93%E5%AE%83%E7%9A%84%E6%B8%A9%E5%BA%A6%E9%AB%98%E4%BA%8E%E8%AE%BE%E5%AE%9A%E6%B8%A9%E5%BA%A6%E6%97%B6%2C%E5%85%B6%E7%94%B5%E9%98%BB%E5%80%BC%E9%9A%8F%E5%AE%83%E7%9A%84%E6%B8%A9)
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