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October 1999

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Subject:
Re: Copper thickness for 25 amps
From:
"Howieson, Rick" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 28 Oct 1999 15:52:56 -0600
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text/plain (115 lines) 
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>&nbsp;</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>&nbsp;</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>&nbsp;</DIV>
><DIV><FONT size=2>Franklin</FONT></DIV>
><DIV><FONT size=2>&nbsp;</FONT></DIV>
><DIV><FONT face=Arial size=2><B>-----Original Message-----</B><BR><B>From:
></B>Anne Ledger &lt;<A
>href="mailto:[log in to unmask]">[log in to unmask]</A>&gt;<BR><B>To: </B><A
>href="mailto:[log in to unmask]">[log in to unmask]</A> &lt;<A
>href="mailto:[log in to unmask]">[log in to unmask]</A>&gt;<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?&nbsp; How about
>2
>oz copper?&nbsp; Let's assume it's .062 thick material.<BR>Need help
>ASAP.&nbsp;
>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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>>)
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