4 20lead-free results

Electronics Forum: 20lead-free (Page 1 of 1)

lead free platings and tin lead

Electronics Forum | Tue Aug 31 19:50:44 EDT 2004 | davef

To take our turn at keeping everyone else on the straight and narrow. For more on lead contamination of no-lead solder, look here: http://www.aimsolder.com/techarticles/Lead%20Contamination%20in%20Lead-Free%20Electronics%20Assembly.pdf [We apolog

Oop's Pb BGA's in a RoHS process?

Electronics Forum | Tue Jun 20 10:15:44 EDT 2006 | samir

Again, the verdict is mixed here as well, but from the seminars, white papers, etc. the consensus seems to be that Pb BGA's are not compatible in a Pb-Free RoHS Process...but... Pb-Free SAC BGA's are compatible in a Sn-Pb process as long as your pro

Pb % contaminant allowed in Pb/Free Solder

Electronics Forum | Sat Nov 12 07:00:40 EST 2005 | davef

Those limits of allowable impurities have been set over many years of practical experience. People area talking about lead contamination of lead-free solder connections, but I can't find specific numbers in my notes. Places to start are: * One of T

Can SnPb BGA's be reflowed reliably using SAC305 solder paste?

Electronics Forum | Sun Sep 13 09:21:26 EDT 2009 | davef

You as, "What data is available showing the long term reliability of the intermetallics of the solder joints?" Alloy||Microstructure Sn-Pb||Lamella or globules Sn-Cu||Sn-matrix, Cu6Sn5 needles or globules Sn-Cu-Sb||Sn-matrix, cuboids of SbSn and Cu6

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