闪光led电流通过镇流器电阻设置。
不幸的是，为了提高镇流器的效率而进行的改变减小了特定的外部电阻。
Unfortunately, the changes made to improve the efficiency of the ballast reduce certain external electrical resistances.
随着全球对于节能的需求，用于电子镇流器软启动的热敏电阻器越来越受到大家的重视。
With the development of global energy conservation, PTC Thermistors for electronic ballast softly starting has attracted more and more public attention.
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