Electronics Forum | Wed Apr 14 12:27:49 EDT 2004 | pjc
try Indium Corp's SMQ230. http://ncsmq230.indium.net/ Peak "on board" temps of 229C with good wetting have been obtained.
Electronics Forum | Fri Jun 12 01:17:58 EDT 2015 | armandogomez
hello! Can you be more precise on what you need ? like profiles in general? leaded? lead free? low temp profiles? cheers!
Electronics Forum | Wed Feb 15 01:49:34 EST 2017 | soldertraining
Hi I completely agree with you. Also, the Dry Solder paste can be used in wireless repair operations such as the repair of smart phones, tablets, laptops and other handheld devices. The lead-free solder paste can be squeegeed through the apertures of
Electronics Forum | Wed Aug 13 16:43:29 EDT 2014 | anvil1021
This is the perfect combination for the Mission Critical PCBs you require. All of our Airborne Customer Prefer a Leaded Solder to a Lead Free, and often require it. ENIG PCB construction is the strongest method of producing Mission Critical Systems.
Electronics Forum | Wed Aug 10 09:01:15 EDT 2005 | fctassembly
Hello Joseph, Sorry for the bad news but microcracking is a well known potential condition occuring with the SAC305 alloy. Microcracking is a condition being seen with many joints soldered with the SAC305 alloy. It is technically a shrinkage cavity
Electronics Forum | Tue Oct 07 13:25:58 EDT 2008 | patrickbruneel
The 99C is the part number used by manufacturers for the Sn 99.3% Cu 0.7% Alloy.
Electronics Forum | Tue Apr 20 03:25:21 EDT 1999 | Scott Davies
Joseph, I've heard of a lead free solder alloy, Sn43/Bi57 that melts at 139�C and reflows between 160-170�C. You may find the following website useful. Good Luck Scott
Electronics Forum | Tue Apr 20 03:26:57 EDT 1999 | Scott Davies
Joseph, I've heard of a lead free solder alloy, Sn43/Bi57 that melts at 139�C and reflows between 160-170�C. You may find the following website useful: www.cobar.com Good Luck Scott |
Electronics Forum | Wed Dec 09 09:47:32 EST 2009 | dyoungquist
I am curious as to why you need to mix.... We use a 500g cartridge with air gun. Our process is remove the cartridge from the fridge, allow it to warm up to room temperature before inserting into air gun, then apply bead of paste to the stencil. N
Electronics Forum | Mon Jul 01 15:37:56 EDT 2002 | pjc
Possible cause can be design related- if the solder land is too small. Check w/ IPC SM-782 Solder Land Design Guide Another is board finish. I have seen problems like this with Gold finished PWBs- which creates a more brittle solder joint.Another pos
