檢視正温度系数热敏电阻的原始碼

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|<center>'''正温度系数热敏电阻'''<br><img
src=" https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimage.jiancai365.cn%2FUserDocument%2Fvisionxu%2FPicture%2F2008912_155908.jpg&refer=http%3A%2F%2Fimage.jiancai365.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1654244000&t=ccdd70238690276d8cebae9e27409205" width="280"></center><small>  圖片來自百度</small> 
|}
PTC是Positive Temperature Coefficient 的缩写，意思是正的[[温度系数]]，泛指正温度系数很大的[[半导体材料]]或[[元器件]]。通常我们提到的PTC是指正温度系数[[热敏电阻]]，简称PTC热敏电阻。PTC热敏电阻是一种典型具有温度敏感性的[[半导体电阻]]，超过一定的温度（[[居里温度]]）时，它的[[电阻值]]随着温度的升高呈阶跃性的增高。

热敏电阻的一种，正温度系数热敏电阻其电阻值随着PTC热敏电阻本体温度的升高呈现出阶跃性的增加，温度越高，电阻值越大。

*中文名:[[正温度系数热敏电阻]]

*外文名:Positive Temperature Coefficient

*缩    写:PTC

*类    型:[[电阻]]