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Dr. Doug Brooks published an article on this with the calculations called Fusing Current: When Traces Melt Without a Trace! You can get a copy of it at http://www.ultracad.com/article_outline.htm .
Jeffrey A McGlaughlin, CID
Engineering Designer
Battelle
505 King Ave
Columbus Ohio 43201-2693
Phone (614)424-7582
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of GRIVON Arnaud
Sent: Friday, September 05, 2008 5:44 AM
To: [log in to unmask]
Subject: [TN] PCB Trace Over-Current Withstanding Time
Hello all,
Is anyone able to answer the following query about PCB traces over-current
withstanding time : I am questioned about the existence of a plot giving the
with-standing time of PCB traces versus over-current.
Question is asked for 0.15mm up to 0.21mm line widths, 35µm/70µm thickness
and currents of 50A to 100A.
Any clue?
Best regards,
Arnaud Grivon
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