Electronics Forum | Tue May 30 10:46:06 EDT 2000 | Travis Slaughter
Sounds like you could have a problem caused by the gold. How thick is the plating? Are the connector leads gold too? I have seen gold cause dry looking brittle solder joints in the past.
Electronics Forum | Fri May 26 14:22:27 EDT 2000 | JAX
GP, What are some of the details. type?(mictor) guide pins?(yes/no) component demensions? Machine inserted? Force of insertion?
Electronics Forum | Wed Jan 08 16:27:11 EST 2020 | rmitchell
We have a PCB with the dual sided connector that slides on from the edge and has leads on the top and bottom sides of the PCB. It has 20 leads on each side of the PCB with with about .8mm pitch. The PCB also has a gold grounding strip on the edge fo
Electronics Forum | Mon Jun 05 10:32:39 EDT 2000 | Khalid Saeed
It could be a gold finish problem. The recommened gold finish thickness is less than five micro inches. Gold thickness greater than five microi inches is significant contributor for causing embrittlement of the solder joints. Verify the reflow profil
Electronics Forum | Wed Jan 08 19:16:56 EST 2020 | spoiltforchoice
http://suddendocs.samtec.com/literature/em_tectalk8a_lr.pdf Even so its still a fairly manual process so I guess you really have to want to use this type of connector because its a whole process in itself and I bet the whole family is a special or
Electronics Forum | Tue Dec 09 10:58:12 EST 2014 | rgduval
I've always assembled those style connectors by hand. They require paste on both sides, correct? With that variable, I've never considered trying to do them with paste/reflow. Cheers, ..rob
Electronics Forum | Fri Oct 22 23:45:37 EDT 1999 | Jim Cristiano
Hi, I'm looking for vendors that manufacture connector pins that would solder onto the edge of a small SMD pcb so that I can mount it as a SIP onto a larger PCB. Better yet, are there small diameter pins that can be soldered into thru-holes so the SM
Electronics Forum | Wed Dec 03 10:44:03 EST 2014 | kkay
We have a smt connector on side one of our pcb that overhangs through the board to the second side. We can't figure out how to print the second side with this part sticking out. Unfortunately we cannot run the second side first due to an LGA that has
Electronics Forum | Tue Feb 07 11:55:27 EST 2023 | tommy_magyar
What I would look at is the chemicals being used in the facility where the complaints are. Flux/flux gel, IPA, cleaning agents, etc. Perhaps you should limit the usage to certain people only, who would be trained how to properly use these. Something
Electronics Forum | Wed Sep 04 22:48:13 EDT 2013 | winson16
SMT fine pitch connector having oxidation on lead and P&P machine keep rejecting the part. Is there any alternative way to reduce the part throw out rate without jeopardize the placement accuracy? Or is it possible to re-coat the connector lead or an
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