See the article on Fusing Current on our web site
www.ultracad.com
Follow the links to the articles section

(However, use of the info in that article is at your own risk!!!!)

I will also be giving a seminar on Trace Temperature and Current (and
Fusing Current) at PCB East in Sept

Doug Brooks




At 04:34 PM 5/3/00 -0700, you wrote:
>         I'm familiar with calculating trace width for current capacity, but
>can anyone tell me trace width for making an etched trace into a fuse?  I'd
>like to set a section of trace to blow at 10A, though that value might
>change, so it would be nice to be able to calculate for 5, 15 or 20A.  The
>copper will be .5 or 1 oz.  Thanks.
>         Richard

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See our updated message re in-house seminars on our web page
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Doug Brooks, President              [log in to unmask]
UltraCAD Design, Inc.           http://www.ultracad.com