cadmium sulfide cell

cadmium sulfide cell

[′kad·mē·əm ′səl‚fīd ‚sel]
(electronics)
A photoconductive cell in which a small wafer of cadmium sulfide provides an extremely high dark-light resistance ratio.
References in periodicals archive ?
The least expensive photocells use cadmium sulfide cells, but they degrade from exposure to sunlight and lose sensitivity after only a few years of service.
Electronic photocells using solid-state, silicon phototransistors that do not lose sensitivity can be used to teplace cadmium sulfide cells.