>One of my customers asked if there is a formula to figure the needed
>width of a trace, given a specified copper weight, for the amount of
>power he wants to put through it.
>Second, what spacing does he need between these traces?

Jeff
Use the charts in figure 3-4 in IPC-D-275, Keep TEMP-RISE less than
10 degree C. Use table 3-1for spacing. If customer wishes to compare
to wire sizes use cross section numbers from figure 3-4.
Rodney
My opinions are mine.
Bad spellers UNTIE!
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