Electronics Forum | Thu Jun 29 12:07:09 EDT 2017 | georgetruitt
HOW THICK IS THE BOARD? IS THERE A LOT OF COPPER IN THE BOARD? DOES YOUR CUSTOMERS PROVIDE HEAT RELIEF IN THE BOARDS BARREL DESIGN THERE NEEDS TO BE PLENTY OF ROOM FOR LEADFREE SOLDER TO FLOW, DID YOU CHECK YOUR PIN(LEAD)TO HOLE (BARREL) RATIO? N
Electronics Forum | Mon Jun 16 17:13:24 EDT 2003 | fmonette
John, Maybe you know this already but I just wanted to highlight a few facts about dry cabinets. My experience is that many engineers are not well aware of the industry guidelines and sometimes will buy a dry cabinet without understanding the key f
Electronics Forum | Tue Jun 17 09:00:58 EDT 2003 | fmonette
Good question, here is the short answer : The problem is that dry storage is not the same as a bake process. If you want to bake saturated components, this should be done at higher temperatures. The IPC/JEDEC standard provides a table with bake temp
Electronics Forum | Tue May 16 07:03:54 EDT 2006 | smtspecialist
I have only one reflow oven can I use it for both processes (leaded and lead-free)? If I do use it, one run for leaded and the next run for lead-free will that contaminate my lead-free process?
Electronics Forum | Mon May 15 11:03:13 EDT 2006 | Pitt Bull
Can lead free components/assemblies be contaminated if reflowed in a reflow oven for leaded process?
Electronics Forum | Thu Jul 20 13:01:07 EDT 2000 | qsheng
What is the difference of formulation No-Clean Sn63 with No-Clean lead free paste? Is there techniocal data in detail for performance property of No-Clean lead free paste (for example, viscosity, solderability, tack, print life, reflow profile)? Is
Electronics Forum | Tue Jul 12 08:44:58 EDT 2005 | jdengler
JBC is offering "Lead free" tips now. They have this on the web site: "JBC recently released a new series of tips featuring a thicker iron bath that we find more resistent to aggressive additives and flux as found in lead free alloy." We have not d
Electronics Forum | Mon Oct 16 15:46:24 EDT 2006 | slthomas
The wording in your second post re: lead vs. lead free behavior seems to contradict your first post, but I'll assume you mean that the lead free boards fail sooner during vib. testing. My question is, if this is the case, are the parts that are fai
Electronics Forum | Fri Jan 14 08:42:47 EST 2005 | Jim Zanolli
We are performing testing for lead free connector finishes. We want to run solderability tests on a series of lead free connector plating options in a series lead free PCB's. I need some advice on the most popular lead free PCB finishes. I am aware
Electronics Forum | Tue Jun 01 11:51:48 EDT 1999 | Dave F
| We have experienced problems with chlorine damaging certain components, is there anyone with similar problems and possible solutions ? preferably info about a source for chlorine free solder paste | | Thanks | | James | James: There is no chlor