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2 年
热敏电阻-NTC-基本特性与选型应用
----- 正文 -----一、NTC电阻的基本特性 1. R-T曲线 下图是一个常温(25℃)下阻值1K的NTC电阻的R-T曲线,观察曲线发现它的阻值是随温度上升而下降,这也是它叫NTC(Negative Temperature Coefficient-负温度系数)电阻的原因,对应的还有PTC(Positive ...
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