电路接通时产生的浪涌电流会对敏感电子元件造成很大的损害。这种浪涌可以用浪涌电流限制器来限制。
Connected in series with the load, at switch-on, the thermistor limits the current due to its relatively high cold resistance. As a result of current flow the thermistor heats, reducing its resistance value so that once the initial surge has been safely held off the resistance in the circuit is held at a low value to maximise efficiency.
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100W-247 功率电阻 TNP50系列
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大浪涌电流限制器 MS系列
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