[SI-LIST] Current carrying capacity of power planes

  • From: "Hanley, David C" <david.c.hanley@xxxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Thu, 15 Apr 2004 11:02:20 -0700

I have seen several threads about current capacity of traces and vias,
but have not seen anything on planes.
Does anyone have a good formula or chart for determining the current
capacity of an internal power plane of a board?
When do I need to go to multiple planes or thicker copper for a
particular board size?
Thanks,

Dave Hanley

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