It's simply the hotter! Current causes the heat, so wherever the highest
current density combined with the lowest heat dissipation capability is
where it will fuse first.
Wayne
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Friday, May 15, 2015 4:14 PM
To: [log in to unmask]
Subject: [TN] PWB Exothermic event
Fellow TechNetters:
During an exothermic event is it the Positive, Plus, stimulus copper that
fuses OPEN or is it the NEGATIVE, Gnd, copper that fuses OPEN.
Victor,
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