Meaning of thyristor in English:

thyristor

Pronunciation /θʌɪˈrɪstə/

noun

Electronics
  • A four-layered semiconductor rectifier in which the flow of current between two electrodes is triggered by a signal at a third electrode.

    ‘The thyristor is the device that's used in all wall dimmer switches.’
    • ‘The company offers a broad range of thyristor products that are used in a variety of applications.’
    • ‘There is a need for two conditions to be present simultaneously to turn on the thyristor.’
    • ‘If the thyristor is used with an ac supply then it will conduct on the positive half cycles and automatically switch off during the negative half cycles.’
    • ‘Thyristor phase control leads to additional energy losses and heating in the motor and this should be taken into account when selecting the power rating.’

Origin

1950s blend of thyratron, denoting a kind of thermionic valve (from Greek thura ‘gate’) and transistor.