Rick, Franklin, et al
Thanks for the input. We have IPC 275 here in the design department,
but unlike manufacturing they are out of here at 4:00. So the copy is
under lock and key. Thanks to all who responded.
Anne Ledger
> -----Original Message-----
> From: Howieson, Rick [SMTP:[log in to unmask]]
> Sent: Thursday, October 28, 1999 5:53 PM
> To: [log in to unmask]
> Subject: Re: [TN] Copper thickness for 25 amps
>
> 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]
> >
> >##############################################################
> >TechNet Mail List provided as a free service by IPC using LISTSERV
> 1.8c
> >##############################################################
> >To subscribe/unsubscribe, send a message to [log in to unmask] with
> following
> >text in
> >the body:
> >To subscribe: SUBSCRIBE TECHNET <your full name>
> >To unsubscribe: SIGNOFF TECHNET
> >##############################################################
> >Please visit IPC web site (http://www.ipc.org/html/forum.htm) for
> additional
> >information.
> >If you need assistance - contact Gayatri Sardeshpande at
> [log in to unmask] or
> >847-509-9700 ext.5365
> >##############################################################
> >
> ><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
> ><HTML>
> ><HEAD>
> >
> ><META content=text/html;charset=iso-8859-1 http-equiv=Content-Type>
> ><META content='"MSHTML 4.72.2106.6"' name=GENERATOR>
> ></HEAD>
> ><BODY bgColor=#ffffff>
> ><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>############
> ########
> >##########################################<BR>TechNet
> >Mail List provided as a free service by IPC using LISTSERV
> >1.8c<BR>#############################################################
> #<BR>To
> >subscribe/unsubscribe, send a message to <A
> >href="mailto:[log in to unmask]">[log in to unmask]</A> with following
> text
> >in<BR>the body:<BR>To subscribe: SUBSCRIBE TECHNET
> <your full
> >name><BR>To unsubscribe: SIGNOFF
> >TECHNET<BR>##########################################################
> ####<BR>
> >Please
> >visit IPC web site (<A
> >href="http://www.ipc.org/html/forum.htm">http://www.ipc.org/html/foru
> m.htm</A
> >>)
> >for additional<BR>information.<BR>If you need assistance - contact
> Gayatri
> >Sardeshpande at <A href="mailto:[log in to unmask]">[log in to unmask]</A>
> >or<BR>847-509-9700
> >ext.5365<BR>#########################################################
> #####<BR
> >></BODY></HTML>
>
> ##############################################################
> TechNet Mail List provided as a free service by IPC using LISTSERV
> 1.8c
> ##############################################################
> To subscribe/unsubscribe, send a message to [log in to unmask] with
> following text in
> the body:
> To subscribe: SUBSCRIBE TECHNET <your full name>
> To unsubscribe: SIGNOFF TECHNET
> ##############################################################
> Please visit IPC web site (http://www.ipc.org/html/forum.htm) for
> additional
> information.
> If you need assistance - contact Gayatri Sardeshpande at
> [log in to unmask] or
> 847-509-9700 ext.5365
> ##############################################################
##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in
the body:
To subscribe: SUBSCRIBE TECHNET <your full name>
To unsubscribe: SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################
|
