Electronics Forum: leaded and bga and on and lead and free and process (Page 1 of 13)

voids- leaded and chip components

Electronics Forum | Tue Jan 13 22:07:42 EST 2004 | davef

No, there is no such information. Choices are: * Recognize that any voiding is a process indicator and that when observed, indicate a requirement for taking corrective steps. * Tell your quality people to quit looking at components other than BGA wi

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 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

Wave solder pallets: lead and lead-free process

Electronics Forum | Wed Jul 27 15:54:44 EDT 2005 | Hiram

Hi everybody, We have wave solder fixtures made of Durapol and multiple wave solder machines. Most likely we�ll use the same pallets for either tin-lead or lead-free solder for a while (of course after washing the pallets). Should we test the palle

Wave solder pallets: lead and lead-free process

Electronics Forum | Wed Jul 27 16:27:57 EDT 2005 | GS

It may be you should look for higher TG of Durapol Rgds GS

Wave solder pallets: lead and lead-free process

Electronics Forum | Wed Jul 27 22:09:49 EDT 2005 | Ken

My policy is not to mix them. You have zero cross contamination potiental with this policy.

Wave solder pallets: lead and lead-free process

Electronics Forum | Wed Jul 27 16:46:48 EDT 2005 | russ

I don't think that you would need to test these. Have you ever seen any evidence of solder sticking to them? We use the same material and never notice anything besides flux staying on the bottom. Would the lead absorption if any even be of a concer

Time and temp in lead and lead-free reflow

Electronics Forum | Sat Aug 02 08:06:11 EDT 2008 | pcbbuilders

Is there a limit to the time that most components can stay at temperatures around 130-200 deg c? if i slow the time, the first 4 zones will be at this temp for about 5 minutes in no lead process. i am concerned that some chips wont be rated at this t

Time and temp in lead and lead-free reflow

Electronics Forum | Mon Aug 04 09:30:16 EDT 2008 | grics

If you have concerns, you can look at the datasheet for each component or contact one of their application or materials engineers and find out what the components are rated for...process-wise. IE, how long can I be in the oven with this part, at what

In same board both leaded and lead-free components used.

Electronics Forum | Wed Jul 14 00:50:34 EDT 2004 | Grant Petty

Hi, What's the best process for going lead free? Ordering lead free parts and using them with current paste, and then once all the parts are lead free, moving to lead free paste as well? Then the wave will be fun to change over. What a nightmare th

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