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Re: [TCML] SISG success
Peter Terren skrev:
Does anyone know how close the SIDACs are to the to the edge? I don't
have enough 5A SIDAC's for my 5 boards but plenty of 1A ones.
My impression is that they might not last if the coil is a small high
I don`t have the original data sheets for the old types, but the
allowable current is higher when the pulses get shorter, so it seems to
me, that higher frequency should be an asset.
The sidac is only passing current during the time it takes to turn the
IGBT on, usually around 150 - 200nS, in the case of a small coil, with a
smaller IGBT and correspondingly small bate ballast capacitor, even shorter.
Cheers, Finn Hammer
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