[TriEmbed] PCB Track Width for High Current

[Scott Hall]

On 07/08/2014 06:32 PM, Ron Craig wrote:
> I'll let the pros answer, but by my math, a 6.25mm hole would be required to
> give you a 20mm wide copper connection.  Since only half the current is
> flowing through the via, maybe a 3.2mm hole would be enough. Dunno if that's
> practical, though.
>
>
> On Tue, Jul 8, 2014 at 5:51 PM, Adam Haile <email at adamhaile.net
> <mailto:email at adamhaile.net>> wrote:
>
>     Sort of related to my other power supply question...
>     Let's say I need a 20mm wide trace in 1oz copper to handle some high current.
>     Could I just have a 10mm trace on one side and another on the other side,
>     connected by a plated hole to handle the same amount of current?
>

Or a lot of little through-vias -- typically a field of them spaced about 0.05in
(1.25mm) apart.

-- 
Scott G. Hall
Raleigh, NC, USA
ScottGHall1 at GMail.Com

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