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Article #2781

Re: Thyristors and triacs

#2781
From: Jamie
Date: Sat, 05 Aug 2006 03:28
26 lines
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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"?
> 
> 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?
> 
> Best regards,
> John
> 
  almost..
    thyristor latches and maintains when you remove the current
from the gate that switched it on.
    what opens the thyristor is when the current flowing through
its Anode and cathode falls below the holding spec.., at that point
is when the thyristor will thus open ..


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