A thyristor is a solid-state semiconductor device with four layers of alternating P- and N-type materials. It acts exclusively as a bistable switch, conducting when the gate receives a current trigger, and continuing to conduct until the voltage across the device is reversed biased, or until the voltage is removed (by some other means). A three-lead thyristor is designed to control the larger current of the Anode to Cathode path by controlling that current with the smaller current of its other lead, known as its Gate. In contrast, a two-lead thyristor is designed to switch on if the potential difference between its leads is sufficiently large (breakdown voltage).

Thyristor SCR used for KGPS power supply

Niektóre źródła definiują prostownik sterowany krzemem (SCR) i tyrystor jako synonimy. Inne źródła określają tyrystory jako bardziej bogato skonstruowane urządzenia, które zawierają co najmniej cztery warstwy naprzemiennego podłoża typu N i typu P.

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Cena tyrystora jest obliczana głównie na podstawie prądu i napięcia. Im wyższy prąd i napięcie, tym wyższa cena. Cena w poniższej tabeli ma charakter poglądowy. W sprawie konkretnych cen prosimy o kontakt: email:firstfurnace@gmail.com