Solid state relays are typically comprised of an opto-isolator input, which activates a solid state switching device such as a triac, SCR, or FET.

 
  • 固态继电器通常包括一个光隔离输入,该输入激励一个固态开关器件,例如双向晶闸管、SCR(可控硅)或FET(场效应管)。
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