Share this entry
phototransistor Syllabification: pho·to·tran·sis·tor
Pronunciation: /ˌfōdōˌtranˈzistər/

Definition of phototransistor in English:


A transistor that responds to light striking it by generating and amplifying an electric current.
Example sentences
  • It contains an infrared light-emitting diode as a light source and a phototransistor as a light detector.
  • The output phototransistor features a 30 V collector-emitter voltage and 5 V in the opposite direction.
Definition of phototransistor in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources