Have you got a finger?
Wet it and stick it in the air, see which way the wind is blowing. (a
technique used by an engineer that I know!!)
Or use the Ultracad calculator previously mentioned..
Its very useful, and covers most situations.

It also takes the hassle out of working out them there things called "sums"
!!

Matthew.

> -----Original Message-----
> From: Chris Robertson [SMTP:[log in to unmask]]
> Sent: Monday, July 02, 2001 8:09 PM
> To:   [log in to unmask]
> Subject:      [DC] Current trace formula
>
> Oh, knowledgeable ones.
>
> What exactly is the formula behind the current - trace width
> table? (Per Deg C)
>
> CR

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