亿光EVERLIGHT的 Opto Interrupter光遮断器，俗称“光电感应光耦”、“槽型光耦”、“反射式光耦”等等，EVERLIGHT光电开关有DIP插件型和SMT贴片型
ITR21107由红外发光二极管和一个光电晶体封装在一个黑色塑料外壳内，该结构小巧，由接收管接收红外发光二极管的信号，可避免其他环境光的干扰，是设计非接触性开关的最优选择。
槽型光耦: ITR8010,ITR8102,ITR8102/F5,ITR8102/F5-1,ITR8102/R,ITR8103,ITR8104,ITR8105,ITR8117,ITR8402,ITR8402-A,ITR8402-F,ITR8402-F-A,ITR8403,ITR8403/R5,ITR8405,ITR8406,ITR8406/S,ITR8406/T10,ITR9606,ITR9606-F,ITR9606-A/F3,ITR9606/F5,ITR9606-F17,ITR9606/L5,ITR9608,ITR9608/F,ITR9702,ITR9702/F23,ITR9702/T,ITR9702/T1/F2,ITR9702-F,ITR9707,ITR9803,ITR9804,ITR9809,ITR9809-F/T,ITR9813,ITR9816, ITR9901,ITR9907,ITR20005,ITR20005-F,ITR20006,ITR20401,ITR20402,ITR20403,ITR20403-2,ITR20501,ITR20601,ITR21107