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可控硅SDT181GK18B/16B/12B/08B
SDT181GK18B SDT181GK16B SDT181GK12B SDT181GK08B二极管模块
SDT181GK18B SDT181GK16B SDT181GK12B SDT181GK08B全新可控硅
SDT181GK18B SDT181GK16B SDT181GK12B SDT181GK08B可控硅