西门康可控硅SKKH162/12ESKKH162/16ESKKH172/12ESKKH172/16ESKKH210/12ESKKH210/16ESKKH213/12ESKKH213/16ESKKH250/12ESKKH250/16ESKKH253/12ESKKH253/16ESKKH273/12ESKKH273/16ESKKH280/12ESKKH280/16ESKKH323/12ESKKH323/16E欧派克可控硅T458N20TOFT458N22TOFT458N24TOFT458N26TOFT459N20TOFT459N22TOFT459N24TOFT459N26TOFT639N18TOFT639N20TOFT639N22TOFT639N24TOFT639N26TOF)