Definition: | an indivisible electronic device for electronic power conversion or electronic power switching, comprising a single non-controllable or bistably controlled unidirectionally conducting current path
NOTE 1 – Typical electronic valve devices are thyristors, power rectifier diodes, power switching bipolar and field effect transistors and insulated gate bipolar transistors (IGBT).
NOTE 2 – Two or more electronic valve devices may be integrated on a common semiconductor chip (examples: a thyristor and a rectifier diode in a reverse conducting thyristor, a power switching field effect transistor with its inverse diode) or packaged in a common case (semiconductor power module). These combinations are to be considered as separate electronic valve devices.
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