Franklin,
If she knew the width she would not be asking the question. Copper
weight is going to tell you the height, less any plate up. But you're
right about IPC-D-275. Figure 3-4 should tell you what you need.
Rick Howieson
>-----Original Message-----
>From: Franklin [SMTP:[log in to unmask]]
>Sent: Thursday, October 28, 1999 3:47 PM
>To: [log in to unmask]
>Subject: Re: [TN] Copper thickness for 25 amps
>
>Anne,
>
>IPC-D-275 has pretty charts and graphs that might give you what you need.
>
>If you tell me more about the trace, such as width, height, internal,
>external, I may be able to answer your question.
>
>Franklin
>
>-----Original Message-----
>From: Anne Ledger <[log in to unmask]>
>To: [log in to unmask] <[log in to unmask]>
>Date: 28 October, 1999 3:53 PM
>Subject: [TN] Copper thickness for 25 amps
>
>
>Good Afternoon Technet,
>
>Does anyone know how thick a trace is required to carry 25 amps in 1 oz
>copper? How about 2 oz copper? Let's assume it's .062 thick material.
>Need help ASAP. Thanks in advance.
>
>Anne Ledger
>EMDS, Inc.
>[log in to unmask]
>
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><DIV><FONT color=#000000 size=2>Anne,</FONT></DIV>
><DIV><FONT color=#000000 size=2></FONT> </DIV>
><DIV><FONT size=2>IPC-D-275 has pretty charts and graphs that might give you
>what you need.</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT size=2>If you tell me more about the trace, such as width, height,
>internal, external, I may be able to answer your question.</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT size=2>Franklin</FONT></DIV>
><DIV><FONT size=2> </FONT></DIV>
><DIV><FONT face=Arial size=2><B>-----Original Message-----</B><BR><B>From:
></B>Anne Ledger <<A
>href="mailto:[log in to unmask]">[log in to unmask]</A>><BR><B>To: </B><A
>href="mailto:[log in to unmask]">[log in to unmask]</A> <<A
>href="mailto:[log in to unmask]">[log in to unmask]</A>><BR><B>Date: </B>28
>October, 1999 3:53 PM<BR><B>Subject: </B>[TN] Copper thickness for 25
>amps<BR><BR></DIV></FONT>Good Afternoon Technet,<BR><BR>Does anyone know how
>thick a trace is required to carry 25 amps in 1 oz<BR>copper? How about
>2
>oz copper? Let's assume it's .062 thick material.<BR>Need help
>ASAP.
>Thanks in advance.<BR><BR>Anne Ledger<BR>EMDS, Inc.<BR><A
>href="mailto:[log in to unmask]">[log in to unmask]</A><BR><BR>####################
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