西门康可控硅 SKKH42/12E SKKH42/16E SKKH56/12E SKKH56/16E SKKH57/12E SKKH57/16E SKKH71/12E SKKH71/16E SKKH72/12E SKKH72/16E SKKH91/12E SKKH91/16E SKKH92/12E SKKH92/16E SKKH105/12E SKKH105/16E SKKH106/12E SKKH106/16E SKKH122/12E SKKH122/16E SKKH131/12E SKKH131/16E SKKH132/12E SKKH132/16E. SKKH161/12E SKKH161/16E SKKH162/12E SKKH162/16E. SKKH172/12E SKKH172/16E SKKH210/12E SKKH210/16E SKKH213/12E SKKH213/16E SKKH250/12E SKKH250/16E SKKH253/12E SKKH253/16E SKKH273/12E SKKH273/16E. SKKH280/12E SKKH280/16E. SKKH323/12E SKKH323/16E SKKH430/12E. SKKH430/16E. SKKH500/12E. SKKH500/16E. SKKH570/12E. SKKH570/16E