SKM400GB07A3SKM400GB07E3SKM400GB17E3SKM400GB12E3¥4200去看看世鸿电子发布了SKM400GB07E3 SKM400GB12E3 SKM400GB17E3 SKM400GB07A3 SKM400GB原装进口SKM400GB12E3现货直销¥500去看看好芯源电子科技发布了SKM400GB12E3 IGBT功率模块400A-1200V库存现货原装进口厂家直销