MEANING
A transistor in which incident light influences the electrical output.
Use it for
light detected through an electronic component; a sensor response rather than an illuminated display
Words that belong together
- a phototransistor sensor
- phototransistor response
On the page
The phototransistor registered the beam as the shutter opened.
A damaged phototransistor had caused the intermittent readings.
Related words
Word forms
- Base
- phototransistor
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Usage notes
Primary category: sci-fi. Forms: Singular phototransistor; plural phototransistors. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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