可调电位器零阻不良是什么原因?
1、电位器碳片本身银层方阻过大；
2、如下三种情况均可能导致电位器零阻不良:
(1.端子松动或端子与碳片接触不良；2.碳片开裂；3.碳片膜层被电刷刮伤或刮断。)
3、在起点或终点时电刷未能停留在银层上；
电位器，玩具电位器，乐器电位器， 音响电位器，轻触开关,编码器， 耳机编码器，大功率电位器,长寿命电位器， 非接触电位器,SD卡座， SIM卡座，陶瓷变阻器， 寿命无限长电位器，长寿命导电基片厂家。网址：www.abf.wang
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