西门康(1单元、2单元IGBT;可控硅、整流桥模块) SKM200GB176D SKM300GB124D SKKT330/16E SKM75GB124DSKM400GB128D SKKH92/16E SKM75GB123DSKM500GA128D SKKH106/16E SKM100GB123D SKM300GB126D SKKH16