Definition of phototransistor in English:

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Pronunciation: /ˌfəʊtəʊtranˈzɪstə/
Pronunciation: /-trɑːnˈzɪstə/ Pronunciation: /-ˈsɪstə/


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.

For editors and proofreaders

Line breaks: photo|tran¦sis¦tor

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