Electronics Forum: sac305 solder profile (Page 1 of 277)

Lead free profile

Electronics Forum | Tue Feb 01 09:21:36 EST 2005 | TomA

I looked breafly at this alloy. My concern was that I had already implemented a SAC 305 alloy at SMT. So any of my mixed technology projects would one alloy (SAC 305) on one side (topside) and a different alloy (SN100C) on the bottomside. Most articl

Coolingproblem in reflow profile

Electronics Forum | Mon Jun 20 21:54:38 EDT 2005 | darby

Contact your paste supplier and see what they say. My information on SAC 305 FROM MY SUPPLIER was - "The cool down rate is not as critical for Pb-free solder joints, as it was for SnPb. The grain sizes do not differ is size in the Pb-free bulk solde

5 zone oven profile

Electronics Forum | Tue Apr 05 15:32:49 EDT 2011 | grahamcooper22

It is one of our pastes...Almit LFM48 W TM-HP, a high reliability no clean solder paste based on SAC305 with a size 4 powder. It's a paste that works so well we have thousands of users of it worldwide. Why are you using SN100C alloy paste ? I imagin

Lead free profile

Electronics Forum | Thu Jan 20 17:14:39 EST 2005 | jbrower

Today, I have just finished evaluating Kester's EM907 (SAC305)lead free solder paste and found that for our applications it performs as expected. End result that I am encouraged with the results that we got. The equipment that I used: An SMT2020 to

reflow profile

Electronics Forum | Fri Sep 21 11:02:37 EDT 2001 | davef

You can measure temperatures any place that you would like, but the issue is the temperature of the solder. We've seen solder temperatures that vary from lead to lead on the same component. Why don't you want to measure the temperature of your so

reflow profile

Electronics Forum | Fri Sep 21 21:43:16 EDT 2001 | dougk

We're used to placing the theromcouple on the solder joint and securing it with thermally-conductive UV adhesive. It's quick & easy to apply, and I've only seen a couple degrees difference from high-temp solder technique. Thoughts?

reflow profile

Electronics Forum | Fri Sep 21 10:44:34 EDT 2001 | slthomas

You can, and for small parts you probably won't see much difference between body temp. and lead temp. For QFPs or PLCCs there will be a much greater delta, though. I'd be more concerned with the small surface area you're making contact on (spherica

reflow profile

Electronics Forum | Tue Feb 19 09:24:25 EST 2019 | cyber_wolf

Reflow profiles are based on the product and materials you are soldering. You need profiling software and a data logger.

Softbeam profile

Electronics Forum | Tue Oct 15 11:31:10 EDT 2002 | russ

I wouldn't think so, A thermocouple can be attached to the lead that is being soldered. Russ

Reflow profile

Electronics Forum | Sun Nov 26 07:46:35 EST 2006 | davef

Start here: http://www.smtinfo.net/Db/_Reflow%20Soldering.html

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