I don't have the formula, but I do have a chart giving the correlation
between trace width, thickness, temperature and resistance. If you let
me have your fax Number I will fax it through.

Geoff Layhe.
www.lamar-uk.co.uk

> ----------
> From:         mdsn500[SMTP:[log in to unmask]]
> Reply To:     TechNet E-Mail Forum.;mdsn500
> Sent:         19 July 1999 20:14
> To:   [log in to unmask]
> Subject:      [TN] DC Resistance
>
> Does anyone have a formula equating copper foil size, trace wirdth and
> dc
> resistance values(not impedance)?- Thanks Mike hawkins
>
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