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What is avalanche breakdown in a thyristor?

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Avalanche breakdown is a process which occurs during reverse bias condition in semiconductor junction devices. This is caused due to impact ionization of the junction between electron and holes. read more

Fisrt we will describe what is avalanche breakdown. avalanche breakdown occurs at pn juction which is moderately doped and has a thick junction means have depletion layer width high. Avalanche breakdown occurs when we apply high reverse voltage across the pn junction. read more

Avalanche breakdown voltage : It is the voltage at which the junction of the diode breaks when it is connected in reverse bias condition. read more

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 while the voltage across the device is not reversed (forward-biased). read more

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