Electronics Forum: lead with lead free components (Page 1 of 84)

Process Tin lead vs lead free components

Electronics Forum | Tue Sep 13 08:45:51 EDT 2011 | rgduval

Lead free solder does tend to resemble cold solder joints after processing. Generally, this is acceptable. The latest IPC 610 has pictures of acceptability of lead free solder joints, which you can use to compare to the joints that you are seeing o

Process Tin lead vs lead free components

Electronics Forum | Wed Sep 14 09:19:30 EDT 2011 | swag

Target those specific parts/leads with a thermal-couple and a mole and try to get the peak reflow temps up to 225 C. It's not a cure but it will improve the apperance of the solder joints.

Process Tin lead vs lead free components

Electronics Forum | Mon Sep 12 10:41:50 EDT 2011 | processmxli

Hi All We have run SMT process with SnPb but we’re installing some lead free components like capacitors and resistor lead free. After the reflow oven all components have good appearance with solder join sheen. But the lead free components the solde

soldering lead free component with lead bearing solder

Electronics Forum | Sat Feb 12 09:33:45 EST 2005 | davef

Here's one thread from the fine SMTnet Archives: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=30307

soldering lead free component with lead bearing solder

Electronics Forum | Fri Feb 11 16:58:24 EST 2005 | steve

I know this has been dealt with in the past but I couldn't dig up anything in the archives. If I'm soldering a 0402 lead free component with 63/37 solder is this a problem. Also lets take the opposite. If I'm soldering a lead bearing 0402 with lead f

washing lead free boards with lead boards

Electronics Forum | Thu Jan 19 11:04:08 EST 2006 | Mike Konrad

No, there are no issues with mixed lead / no-lead post-reflow cleaning. No-lead is a little harder to clean so be sure you use the appropriate parameters and cleaning chemical. The only potential issue is if you mix up the boards after cleaning,

washing lead free boards with lead boards

Electronics Forum | Wed Jan 18 12:59:53 EST 2006 | jeffharley

We are starting a lead free line. My question: Is there a contamination issue with running lead free boards and lead boards after soldering through the same board wash machine? I would expect not it, but want to know if anyone has any experience with

washing lead free boards with lead boards

Electronics Forum | Thu Jan 19 14:43:08 EST 2006 | jeffharley

So as far as pb free compliance in EU there would be no residuals from pb on the pcb's to speak of. We also have deionization cabinet with chealate filter for heavy metals that recirculates the wash water.

lead free components in leaded process

Electronics Forum | Thu Jul 19 09:23:52 EDT 2007 | patrickbruneel

Chris, To my knowledge the only difference between leaded and lead-free components is the termination plating. What has changed in the component design that makes them resistant to higher temperatures?

lead free components in leaded process

Electronics Forum | Thu Jul 19 04:38:33 EDT 2007 | chrispy1963

I took a Lead Free troubleshooting Class at SMTA in Chicago last September taught by Phil Zarrow. He told us during that seminar that its not a good practice to cross contaminate Leaded and Lead Free components but IF it is necesary than using lead

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