thyristor
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| thyristor [2006/03/21 20:31] – created 5meo-geo | thyristor [2006/10/15 09:35] (current) – external edit 127.0.0.1 | ||
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| + | Thyristors are switching devices that do not require any control current once they are turned on. A small control pulse of current is all that is required to turn them on and when that pulse is removed the thyristor continues to conduct, assuming a minimum holding current is maintained by such devices as SCRs or triacs. Then there are pulse generating thyristors in which a holding current is meaningless as in the cases of unijunction transistors and Shockley diodes. | ||