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October 1999

DesignerCouncil@IPC.ORG
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Subject:
IPC-I-00005 Current/Trace size
From:
Steve Troie <[log in to unmask]>
Reply To:
DesignerCouncil E-Mail Forum.
Date:
Wed, 27 Oct 1999 06:56:43 -0700
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 Hi, My name is Steve Troie and I have a few questions about the charts that
I use in IPC-I-00005, to determin how much current a trace can carry
based apon copper weight.

1- Why does the chart list several tempature ranges?
   Why not design just design for 10 celsius above ambient only?

2- Do you have the formula that produced these charts?
   If so, could you send it to me?

   Regards

Steve Troie
Senior Designer
Trimble Navigation Limited
585 Maude Court
Sunnyvale, CA. 94088-3642

(408) 481-2913 Voice
(408) 481-8183 Fax
Email: [log in to unmask]

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