Basics of NTC and PTC Thermistors - Another Teaching Moment | Digi-Key Electronics

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Xiaoxiao
Chinese(Simplified)
College Students
Storytelling
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Summary
热敏电阻是一种电子设备,能够根据温度变化暂时调整其电阻值。热敏电阻分为NTC(负温度系数)和PTC(正温度系数)两种类型。NTC热敏电阻在温度升高时电阻降低,适用于温度传感器和电路中的浪涌电流限制器。PTC热敏电阻则在温度升高时电阻增加,常用于保护电路免受过电流影响。两种热敏电阻在实际应用中都非常广泛,如烤箱、空调和电动机等设备中均有使用。
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