硕凯NTC热敏电阻在测温领域的应用:测量范围可达-40℃~+125℃,灵敏度高且电路简单
NTC是一种负温度热敏电阻,其原理为电阻值随着温度上升而下降。其通常由2或3种金属氧化物组成, 混合在类似流体的粘土中,并在高温炉内锻烧成致密的烧结体。封装尺寸多样性,它们可小至0.01英寸或更小的直径。最大尺寸几乎没有限制,但通常适用半英寸以下。
NTC热敏电阻在测温领域应用相当广泛。与半导体集成温度传感器相比,NTC热敏电阻具有测温范围宽、使用方便、价格低廉等特点,与铂热电阻或热电偶相比,NTC热敏电阻具有灵敏度高、电路简单、价格低廉的特点。
主要参数:
热敏电阻的温度测量范围可达-40℃~+125℃。
封装尺寸可以做到0.01英寸或更小尺寸,最大尺寸几乎没有限制。
@25℃阻值从几百Ω~几KΩ。
通常NTC热敏电阻非线性校正的方式是采用一个温度系数较小的固定电阻与热敏电阻并联,这种方法简单易用且校正效果较好,它具有将NTC热敏电阻曲线冷端向下拉的作用。
NTC测温典型应用电路
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本文由拾一转载自硕凯电子官网,原文标题为:SOCAY硕凯NTC热敏电阻在测温领域的应用,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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