可控硅(又叫晶闸管）是可控硅整流元件的简称。在导通的状态下可控硅低损耗的特性能够有效的控制大电流和高损耗。是一种具有三个PN结的四层结构的大功率半导体器件，一般由两晶闸管反向连接而成。它的功能不仅是整流，还可以用作无触点开关的快速接通或切断；实现将直流电变成交流电的逆变；将一种频率的交流电变成另一种频率的交流电等等。可控硅和其它半导体器件一样，有体积小、效率高、稳定性好、工作可靠等优点。它的出现，使半导体技术从弱电领域进入了强电领域，成为工业、农业、交通运输、军事科研以至商业、民用电器等方面争相采用的元件。目前可控硅在自动控制、机电应用、工业电气及家电等方面都有广泛的应用。采购电力电子功率模块的东西必西门子原装功率模块：R6511QR6500/13R6S00R65110R6500R650229651NR6500/11R6500/12R6500/-DatasheetArchiveR6500/13R6S00MicrocomputerSystemRockwell...​SKM200GAH123DKLSKM400GAH123DKLSKM200GAH126DKLSKM200GAH126DKLTSKM400GAL123DSKM400GAL124DSKM400GAL12T4SKM200GAR125DSKM150GB128DESKM300GB124DH4ESKM2X75GAH126DSKM200GAH123DKLSKM200GAL123DKLSKM200GAL123DKL110SKM200GAL123KLD110SKM200GAL123DKLDSKM200GAH123DKLT,SKM200GAH123DKLDSEMiX251D12FsSEMiX291D16sSEMiX341D16sSEMiX501D17FsSEMiX241DH16sSEMiX191KD16sSEMiX302KD16sSEMiX171KH16sSEMiX302KH16sSEMiX141KT16sSEMiX302KT16sSKM450GB12E4SKM50GB12VSKM75GB12VSKM100GB12VSKM150GB12VSKM150GB12VGSKM200GB12VSKM300GB12VSKM400GB12VSKM600GA176DSKM800GA176DSKM145GAL176DSKM200GAL176DSKM400GAL176DSKM75GB176DSKM100GB176DSKM145GB176DSKM200GB176D)