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【直播预告】ESP-12F物联网开发板设计
PTC是PTC电阻器的简称,可用PTC实现小体积、大功率的制热。另见元器件第052篇 正温度系数热敏电阻器 PTC。 PTC和铁铬锰、钨等电阻材料有相同也有不同。铁铬锰电阻丝常用于烘箱、电热毯上,钨丝则常见于浴霸、烤漆房等产品。在发热原理上,这些材料都一样 ...
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