photodiode(redirected from Phototransister)
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Related to Phototransister: Optocoupler
A diode that exhibits sensitivity to light, either by varying its electrical resistance like a photoresistor or by generating a electric potential in the manner of a photoelectric cell.
(Electronics) a semiconductor diode, the conductivity of which is controlled by incident illumination
pho•to•di•ode(ˈfoʊ toʊˌdaɪ oʊd)
a photosensitive semiconductor diode.