[AMRadio] Contactor

sbjohnston at aol.com sbjohnston at aol.com
Sat Sep 15 23:50:55 EDT 2007

If it is a DC relay, I've found that adding a backwards-diode across 
the coil (as is often wisely done to prevent surges upon break) 
actually makes the relay stay pulled-in a bit longer than would 
otherwise be the case.  I think it is opposing the current created by 
the collapsing field in the coil.

Steve WD8DAS

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