Monday, 31 December 2018

Questions on snubber circuit



I have this piece of circuitry that is supposed to protect a thyristor from spikes. Is not clear to me how it is working and if the values suggested are ok.


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  • The thyristor is a TIC106D

  • The trigger collect the signal from capacitive coupling with an high tension cable coming form an car ignition coil (about 14 kV), which waveform has very steep edges, so it need to be protected not to kill the thyristor.




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