Scott,

The horizontal axis in the chart on page 10 is the cross section of the conductor in
square mils.

Regards

Gary Ferrari
Executive Director
IPC Designers Council
(860) 350-9300 Fax (860) 350-9309
[log in to unmask]

>>> Scott Shepard <[log in to unmask]> 03/19/98 01:20PM >>>
Please help, I cannot remember. In IPC-D-275, the current carrying
charts, I have it on page 10 in case it has changed, I do not remember
what the horizontal axis is in Figure 3-4b represents. Is it current for
the wieght of copper?

I am trying to veryify the trace width for 200mA in .5oz copper external.

Thanks in advance for help a trivial question.

Scott

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