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When is constant current control used?

Answer

It is most suitable when the precious metal heater that the resistance value change is extremely large by the temperature change of the heater is used. Precious metal heaters have a small resistance value when the temperature is low when powered on, and they increase with temperature increases.(changes by about 10 times) Therefore, even if constant current is not used, the current limiting function is essential.

2022.1.21:【案内動画】何をつくってる? 機器事業

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