Electronics Forum: sn3.5ag (Page 1 of 3)

Alloy melting Points

Electronics Forum | Fri Nov 05 15:27:30 EST 1999 | Brian

What is the liquidous temp for: 95Sn/5Ag and 96.5Sn/3.5Ag thanks in advance

Re: Alloy melting Points

Electronics Forum | Fri Nov 05 15:44:50 EST 1999 | Tim Jensen

Brian, 96.5Sn/3.5Ag is eutectic at 221 C 95Sn/5Ag has a melting range of 221 - 240 C Hope that helps you out...

Solder paste Density

Electronics Forum | Wed Aug 13 22:23:24 EDT 2008 | davef

8.4 * SAC305 => 7.36 * Sn-3.5Ag => 7.5 * '....in' [96.2Sn-2.5Ag-0.8Cu-0.5Sb] => 7.39 * Sn-4Ag-0.5Cu => 7.39, 7.44 * Sn-3.8Ag-0.7Cu (Multicore solder) => 7.5

Re: High temperature solder paste for gold plated MCMs

Electronics Forum | Thu Jan 27 14:16:14 EST 2000 | Tuan Bui

I've tried Indium NC-SMQ92(96.5Sn 3.5Ag) on these MCMs and achieved only marginal wetting on pads and parts. The good wetting is what I try to achieve, shiny is what my engineers want (Prototype environment). Does pre-cleaning the PWBs in ultrasonic

Lead Free Solder used in BGA

Electronics Forum | Mon Jan 11 09:00:17 EST 1999 | Kelvin Chow

Some of my friends ask me if sombody use lead free solder ball on BGA, espically PBGA packages. I wonder if 96.5Sn/3.5Ag (m.p .221 oC) or 58Bi/42Sn (m.p. 138 oC) would be suitable candidates? Do you have any experience on this subject? Kelvin

oven ventilation requirements

Electronics Forum | Wed Aug 04 14:56:05 EDT 1999 | Brian

We are installing a new reflow oven and I have been told that we do not need to vent the exhaust out through the roof since we have a false ceiling. All that is required is to vent above the false ceiling and that the air exchange is great enough tha

Re: Lead-Free Formulation Selection

Electronics Forum | Thu Jul 20 16:42:52 EDT 2000 | Bob Willis

Here are the details for the OU Lead-Free Project Introduction The Open University Solder Research Group aims to facilitate the implementation of lead-free solders by evaluating their mechanical properties, especially those which are influential to

Re: Lead Free Solder used in BGA

Electronics Forum | Tue Jan 12 19:57:37 EST 1999 | Ross Berntson

Some of my friends ask me if sombody use lead free solder ball on BGA, espically PBGA packages. I wonder if 96.5Sn/3.5Ag (m.p .221 oC) or 58Bi/42Sn (m.p. 138 oC) would be suitable candidates? Do you have any experience on this subject? Kelvin

Solder Paste for Thermal Cycling application (-40 to 150 Degree Celcius)

Electronics Forum | Thu Dec 07 17:25:58 EST 2017 | davef

Help me understand your issue better ... Are you looking to: * Improve your products that are used for thermal cycling testing of products of other companies? * Change your production materials so that you pass thermal cycling testing of your produ

Step by step guide in evaluation of Solder Bar and Flux

Electronics Forum | Mon Dec 11 20:44:37 EST 2006 | davef

Title : LEAD-FREE WAVE SOLDER FLUX EVALUATION Author : Michael Havener Author Company : Benchmark Electronics, Inc Date : 09/25/2005 Conference : SMTA International Abstract : The European Union�s deadline to ban lead in electronic pr

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