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ke kong gui zai cai dian zhong de ying yong
Author(s): 
Pages: 14-15
Year: Issue:  3
Journal: Family Electronics

Keyword:  单向可控硅控制极功率半导体彩色电视机正向电压整流器件阴极整流电路阳极电流寿命;
Abstract: <正> 可控硅是一种大功率半导体整流器件,具有体积小、重量轻、效率高、寿命长等优点。在彩色电视机中得到了广泛的应用。可控硅有单向可控硅SCR和三端双向可控硅BCR两种。单向可控硅有三个电极:阳极、阴极和控制极。在阳极与阴极外加一正向电压时,只要在控制极加上很小的电流,可控硅触发导通,就能控制一个很
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