光隔離器

opto-isolator (electronics)

light / ray / CL:道[dao4] / bright / only / merely / to use up

to separate / to partition / to stand or lie between / at a distance from / after or at an interval of

to separate / to isolate

surname Li

to leave / to part from / to be away from / (in giving distances) from / without (sth) / independent of / one of the Eight Trigrams 八卦[ba1 gua4], symbolizing fire / ☲

device / tool / utensil / CL:臺|台[tai2]