Re: Thyristors and triacs

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#2779

From: Eeyore
Date: Fri, 04 Aug 2006 20:33

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ib.mossin@hotmail.com wrote:

> Hi,
>
> I'm trying to figure out how thyristor and triacs work. I understand
> that a thyristor conducts when it's gate recieves a current pulse and
> continues to conduct as long as forward biased. How does this differ
> from a ordinary bijunction transistor operating in cutoff and
> saturation with base working as "the gate"?

Look at a 'discrete' version of a thristor and it'll al be clear.


> A triac is two thyristors connected together. Right? I don't see the
> practical use for such a device. Can you give me a hint?

It's called AC.

Graham

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Date: Fri, 04 Aug 2006 21:33:15 +0100
From: Eeyore <rabbitsfriendsandrelations@REMOVETHIS.hotmail.com>
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