Electronics Forum: lead and lead and free and paste and mixed (Page 1 of 10)

lead free platings and tin lead

Electronics Forum | Tue Aug 31 17:36:36 EDT 2004 | davef

NO-LEAD COMPONENTS WITH LEAD SOLDER ISSUE: We agree with Russ. We've dicussed this several times on SMTnet. For instance, look here http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=25394 LEAD COMPONENTS WITH NO-LEAD SOLDER ISSUE: We disa

lead free platings and tin lead

Electronics Forum | Tue Aug 31 12:01:26 EDT 2004 | russ

Kris, this practice has gone on for years. I have never heard of any problems associated with this. I have heard "grumblings" about tin lead parts being processed with lead free paste, but have seen or heard of no data to support. Russ

lead free platings and tin lead

Electronics Forum | Tue Aug 31 11:57:03 EDT 2004 | Kris

Hi Any body have any issues soldering tin lead solder paste with lead free terminations ? Components are leaded devices and chip components have read the theoritical discussions on the forum, need to know if any body has seen any real issues tod

lead free platings and tin lead

Electronics Forum | Tue Aug 31 19:17:43 EDT 2004 | russ

Now see Dave, now I have some good info on why it is "bad", This must be the lead enrichment I have heard about but never got any substantiated data or explanantion. I wonder how much weaker or less reliable these are. Is there any data that you k

Kester R562 and using lead free components

Electronics Forum | Fri Jul 06 12:11:34 EDT 2007 | james

We are starting to see issues with using Kester WS R562 with lead free components. The joints look grainy on almost all of the 0402'2 and other small components. Some of the solder does not solder to the terminations. These are hybrid boards which

Kester R562 and using lead free components

Electronics Forum | Fri Jul 06 13:44:15 EDT 2007 | shrek

Krikies! seems like a head-scratcher if I may say so me-self. I would say the other ogre is right, that surface finish will play a big factor in your solder joint's grain structure or how shiney 'tis. Non-HASL bearing finishes will typicaly exhibit

Can lead free and non lead free production mix in the same mach

Electronics Forum | Wed Apr 26 01:18:33 EDT 2006 | ge_lim

Hi We are in the process of developing a lead free product to be used in a non lead free selective soldering machine, i do have concern in these, and hope you guy can share your experienced expert opinion: 1. What does it take to convert to lead fre

Reflow issues with leaded paste and mixed components

Electronics Forum | Mon Nov 14 10:10:52 EST 2005 | davef

When soldering your full tin (no lead) and Pb95/Sn5 solder components, you need to modify your PbSn reflow recipe to compensate for the higher melting point of the changed solder alloy [with your Sn62/Pb36/Ag2 solder paste] on those component leads.

Can lead free and non lead free production mix in the same mach

Electronics Forum | Wed Apr 26 07:37:34 EDT 2006 | amol_kane

"Can we reuse the same machine? My point here is that the non lead free process has already coated the machine interior ( exhaust, internal flow ) with leaded component, and by conversion to lead free are we containminating the lead free product from

Can lead free and non lead free production mix in the same mach

Electronics Forum | Wed Apr 26 07:37:52 EDT 2006 | amol_kane

"Can we reuse the same machine? My point here is that the non lead free process has already coated the machine interior ( exhaust, internal flow ) with leaded component, and by conversion to lead free are we containminating the lead free product from

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