Where can I find European creepage distance specs? > -----Original Message----- > From: [log in to unmask] [SMTP:[log in to unmask]] > Sent: Tuesday, April 04, 2000 10:35 PM > To: [log in to unmask]; [log in to unmask] > Subject: Re: [DC] about using slits for voltage isolation > > In a nutshell, clearances are direct-line thru-the-air distances. These > would be unaffected by slits (I call them slots) in the PCB. However, > creepages are along the surface of the PCB and the slots do effectively > increase your creepage distance. I have often and successfully used slots > > for meeting European creepage distance specs, particularly when using > 300-mil > pitch optocouplers on hi-voltage circuits.