mumcs01 Posted January 30, 2006 Report Share Posted January 30, 2006 I've done a few projects making my own PCB using standard mil traces, but overall have never concerned myself too much with trace size because everything I was doing was low current/voltage. Well I've kind of crossed that line, and I've built up a project that is tripping a 120VAC relay (NC side, not coil... Coil is 5VDC), and the device I'm powering off of this relay has the potential of 900Watts.. So potentially 7-8 amps. The relay and the terminal block that I'm feeding the device off of are rated far beyond this (10Amps), but by question is, is there a chart or guide or article anywhere that approaches the limits of trace size (like the limits of wire size). My relay and terminal block are PCB mount, and I really would like to keep everything on one board instead of running leads places. Any input would be great. Thanks, Quote Link to comment Share on other sites More sharing options...
gogo2520 Posted January 30, 2006 Report Share Posted January 30, 2006 Hi mumcs your going to love this sitehttp://www.geocities.com/CapeCanaveral/Lab/9643/TraceWidth.htm It should help you out. have fun gogo Quote Link to comment Share on other sites More sharing options...
MP Posted January 31, 2006 Report Share Posted January 31, 2006 ...or just go to the original site (Ultracad) and download your own free copy of the trace width calculator.http://www.ultracad.com/calc.htmMP Quote Link to comment Share on other sites More sharing options...
mumcs01 Posted February 2, 2006 Author Report Share Posted February 2, 2006 This is fantastic! Thanks again! Quote Link to comment Share on other sites More sharing options...
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