Need a trace width chart and don't have a copy of IPC-D-275 handy. This is and great help!
Thanks to Mr. Patrick.!
Go here....
http://www.waterw.com/~ldallara/users/pcb_design.html
>
> Back in October this thread concluded with an excellent
> report by Mike Buetow. His report can be gleaned from the IPC
> archives at http://www.automata.com/ipc/TechNet/index.html
> Good Luck
> George Uptain - Schlumberger Oilfield Services - APC
> (512)331-3183 Austin, Texas
>
>
> >----------
> >From: AMC-CAL-DVP Richard Hatano[SMTP:[log in to unmask]]
> >Sent: Friday, November 15, 1996 11:04 AM
> >To: designercouncil; eric.bonatti; nelsonpc; technet
> >Subject: RE: Question on Current carrying charts
> >
> >
> >Wow, how many copycats does it take before you have an avalanche? I would
> >like a copy too it something turns up.
> >
> >Thanks so much
> >
> >[log in to unmask]
> > ----------
> >From: nelsonpc
> >To: designercouncil; technet; eric.bonatti
> >Subject: RE: Question on Current carrying charts
> >Date: Thursday, November 14, 1996 1:54PM
> >
> >Please forward me a copy also.
> >
> >Thanks,
> >
> >Nelson P. Calimquim
> >Project Engineering Supervisor
> >M-Flex
> >[log in to unmask]
> >
> > ----------
> >From: Eric Bonatti[SMTP:[log in to unmask]]
> >Sent: Tuesday, October 08, 1996 11:43 AM
> >To: [log in to unmask]; [log in to unmask]
> >Subject: Re: Question on Current carrying charts
> >
> >Davis Benjamin L wrote:
> >>
> >> Does anyone have the mathmatical formulas to determine the current
> >> carrying capacity of traces. I know this information is available in
> >> charts (Fig. 3-4a,b,c in IPC-D-275), but I was wondering if someone has
> >> the mathematical formulas used to construct these charts.
> >>
> >> My plan is to try and write a short program to figure the current
> >> capabilities rather than search for my copy of the 275 and a
> >> ruler/staightedge each time I need the infomation. On the other hand,
> >> if anyone has a script and can share it, I'd love to have it and save
> >> myself some time.
> >>
> >> If I get something together I'll be happy to share it (if I can).
> >>
> >> thanks....ben
> >> Ben Davis
> >> Systems & Electronics, Inc.
> >> [log in to unmask]
> >
> >Sounds like a great idea and I would like a copy of this as well,
> >so if anyone can help on this you'd make two people happy,
> >not just one... ;-)
> >Thanks in advance.
> > ----------------------------------------------------------------------------
> >
> > --
> >Eric Bonatti e-mail: [log in to unmask]
> >GN Nettest (Navtel Division - CANADA) vox: (905) 479-8090 ext.497
> >Printed Circuit Board Design fax: (905) 475-6524
> > ----------------------------------------------------------------------------
> >
> > --
> >
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