Electronics Forum | Tue Sep 16 17:03:34 EDT 2014 | rangarajd
We have an issue with solder wicking up the leads/ inside terminations on an SMT connector. The solder coverage is sometimes over 50% of the connectors inside pin length. The terminations are gold plated. Is there an IPC spec for acceptability? Plea
Electronics Forum | Sun Sep 21 10:03:15 EDT 2014 | gascon5383
hi, there is an IPC standard, IPC-A-610 - Acceptability of Electronic Assemblies. According to this manual, solder in the bends of a lead does not matter, but solder touching the body of a component is a defect. I cannot find a specific reference in
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Technical Library | 2023-03-16 19:07:51.0
HISTORY: * In the late 1970s an abrupt unpredictable loss of insulation resistance was observed in PCBs, which were subject to hostile climatic conditions of high relative humidity and temperature while having an applied voltage. * The loss of resistance, even leading to a short circuit was observed to be due to the growth of a subsurface filament from the anode to the cathode. * The term "Conductive Anodic Filamentation" (CAF) was coined.
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