Minimum Conductor Widths For PCBs Temperature Rise Above Ambient For 1/2 oz Copper Amperage Ambient Temperature Conductor Width 1 AMP 45C (113F) .013 1.5 AMP 45C (113F) .025 2 AMP 45C (113F) .033 3 AMP 45C (113F) .050 4 AMP 45C (113F) .073 5 AMP 45C (113F) .110 6 AMP 45C (113F) .125 7 AMP 45C (113F) 1.45 10 AMP 45C (113F) 2.25
This information is from Chris Robertson's web page. Hope this helps. Regards, Ted Temperature Rise Above Ambient 1 oz Copper Amperage Ambient Temperature Conductor Width 1 AMP 45C (113F) .008 1.5 AMP 45C (113F) .012 2 AMP 45C (113F) .016 3 AMP 45C (113F) .025 4 AMP 45C (113F) .040 5 AMP 45C (113F) .050 6 AMP 45C (113F) .065 7 AMP 45C (113F) .080 10 AMP 45C (113F) 1.20 Minimum Conductor Widths For PCBs Temperature Rise Above Ambient 2 oz Copper Amperage Ambient Temperature Conductor Width 1 AMP 45C (113F) .003 1.5 AMP 45C (113F) .006 2 AMP 45C (113F) .008 3 AMP 45C (113F) .013 4 AMP 45C (113F) .020 5 AMP 45C (113F) .025 6 AMP 45C (113F) .030 7 AMP 45C (113F) .040 10 AMP 45C (113F) .060 -----Original Message----- From: Stephen Smith [mailto:[EMAIL PROTECTED]] Sent: Friday, November 16, 2001 8:07 AM To: Protel EDA Forum (E-mail) Subject: [PEDA] Copper Calculations Does anyone know a simple way of calculating copper track size (in, mm), when you know the amount of copper (in, ounces), and the current flow (in, Amps)?? I've never had to do any high current circuits before, so any help much appreciated. Steve * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[email protected] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
