At 11:48 AM 11/19/02 -0500, you wrote: > Thanks for the input. So this is an actual requirement then? The design >also uses a ltv814 optocoupler, which has TUV, VDE, UL & CSA approvals. But >the distance between the optically isolated pins is slightly less than 8mm. >Closer to 7mm if one were to use a standard land-pattern. Hmmm. Well, 8mm is a creepage distance. Nothing stopping you from punching or routing a slot into the PCB, right? Suggest you crack open a duff (that's a state, not a brand) PC power supply and look at the techniques they use. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics