Electronics Forum: lead and free and pcb and fabrication (Page 1 of 4)

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

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

link to report on lead free soldering and differnet pcb finishes

Electronics Forum | Fri Dec 23 23:29:17 EST 2005 | azbvc

Slaine, thank you for sharing..

link to report on lead free soldering and differnet pcb finishes

Electronics Forum | Fri Dec 23 06:09:04 EST 2005 | Slaine

good report showing lots of sections and compairng differnet pcb finishes http://www.smartgroup.org/experience/experience%20report%202005.pdf

link to report on lead free soldering and differnet pcb finishes

Electronics Forum | Sat Dec 24 08:26:41 EST 2005 | GS

Thank you, very intersting. Seen they've experimented also Sn Cu Ni on wave solder. Rgards............GS

Desiccants and pcb finish degradation?

Electronics Forum | Mon May 21 17:32:23 EDT 2001 | davef

I said: "Our electronic circuit board fabricators seal the boards in moisture barrier bags [MBB]. We discontinued the use of desiccant bags in these MBB because of concerns about the desiccant releasing materials that would affect the solderability

Time and temp in lead and lead-free reflow

Electronics Forum | Fri Aug 01 21:10:35 EDT 2008 | leo_dektec

You can keep only the 5th zone as the reflow zone. And lower the first two zones to keep a good ramping rate. Meanwhile,please note the ting temperature in software or control panel is not the exact temperature in your PCB, you'd better get a KIC or

Working with Lead free and Pb Capacitors

Electronics Forum | Fri Jan 27 18:32:15 EST 2006 | mafc65

Well, most of the capacitor are thru hole, then pcb's goes to adhesive process upsidedown to continue SMT process in which , maximun tempetarure is 120�, so temperature is not problem. About SMT capacitorS, I will check temperature specs before mount

Component Obsolescence and Availability

Electronics Forum | Sat Mar 19 04:31:37 EDT 2022 | SMTA-69080803

What are the feasible options in mounting an alternative component onto a PCB that has a different footprint? PCB redesign is not a good option because the component is used on several other PCBs. The component is very small (8-lead SOT-23) so fabric

Wave flux and profiling

Electronics Forum | Mon Dec 18 23:24:50 EST 2006 | grantp

Hi, Yes, I would hate to resort to cleaning, but the product must be clean. We have been using palettes to keep most of the flux off the PCB, but there is still residue around the connectors. Does anyone suggest a good no clean flux to use with le

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