Electronics Forum: mixed and pb and free and with and pb (Page 1 of 3)

Working with Lead free and Pb Capacitors

Electronics Forum | Fri Jan 27 15:12:48 EST 2006 | GS

From technical point of view: it should not be a problem to mix Pb with Pb Free components soldered with a LF solder process. You have to take care about the max temperature allowed on your Pb components and make sure they can withstand the higher

Working with Lead free and Pb Capacitors

Electronics Forum | Fri Jan 27 10:58:11 EST 2006 | mafc65

We are running our prduction (TV's)with Lead Free Solder, since 1 year ago, but we still have a lot of Electrolityc Capacitor (Thruhole and SMT)in stock that are for PB Solder. We have to use them before February-06. Do anybody know if there is a pro

Reflow issues with leaded paste and mixed components

Electronics Forum | Mon Nov 14 10:10:52 EST 2005 | davef

When soldering your full tin (no lead) and Pb95/Sn5 solder components, you need to modify your PbSn reflow recipe to compensate for the higher melting point of the changed solder alloy [with your Sn62/Pb36/Ag2 solder paste] on those component leads.

Reflow issues with leaded paste and mixed components

Electronics Forum | Thu Nov 10 08:23:35 EST 2005 | arclightzero

Hello, I am currently trying to isolate internal fallout problems with very low yield substrates mixed with great yields and have recently found that we are using a Sn62/Pb36/Ag2 solder paste with full tin (no lead) components as well as Pb95/Sn5 sol

Mix Pb and Pb free alloy

Electronics Forum | Thu May 25 10:55:21 EDT 2006 | Chunks

Loctite makes a product called MP218 that works well with mixed alloys.

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

Working with Lead free and Pb Capacitors

Electronics Forum | Fri Jan 27 17:23:10 EST 2006 | muse95

Watch the solder profiles allowed for these caps. Most electrolytics cannot withstand high heat. Even RoHS compliant Electrolytics are often rated for peak 245C, 3 secs max, for example. Nowhere close to the 260C 10-20 sec you usually like to see.

Mix Pb and Pb free alloy

Electronics Forum | Wed May 24 15:59:34 EDT 2006 | JohnM

I have a product with mixed in Pb free and Pb BGAs. I decide to use SnPb paste with Pb free reflow profile to make it work for both types of BGA. Do I have a reliability solder joint issue by using this method? How is your opinion on this case? Can

Mix Pb and Pb free alloy

Electronics Forum | Wed May 24 19:46:32 EDT 2006 | JohnM

So, it looks like the backward compatible of BGA statement is not guarantee for solder joint reliability. It doesn�t matter what temperature and what melting sequence we have in order to avoid the solder void issue. Is Pb diffused homogeneously thr

Mix Pb and Pb free alloy

Electronics Forum | Wed May 24 16:19:58 EDT 2006 | inds

John, there have been quite a few discussion on Mixed Assemblies in this forum.. do a search.. you will get whole lot of information.. in addition - IF you are using Lead-free reflow profile...make sure the rated temp for Sn-Pb components is not vi

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