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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