Proteciton Diode for a TRIAC optocoupler?

Discussion in 'General Electronics Chat' started by DanTheBrahman, Aug 4, 2011.

  1. DanTheBrahman

    Thread Starter New Member

    Aug 2, 2011
    12
    0
  2. t_n_k

    AAC Fanatic!

    Mar 6, 2009
    5,448
    782
    Presumably it's included to prevent any inadvertent damage due to significant polarity reversal of the photo-diode.

    Just about any common diode would suffice. Provided there is sufficient limiting resistance in series with the input drive path everything should be OK.
     
    Last edited: Aug 4, 2011
Loading...