> Unless the board is sparsely populated I usually do 10mils > A rule of thumb that I read in a Littelfuse app-note was to leave > 18mils for 1KV isolation on an outer layer.
Well, I wasn't worried about 5v sparking ;-) Mostly I was thinking about the risk of shorts, either due to defects or soldering. 10 mils is also the clearance I'm using for everything else though. _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user