Electronics Forum: sn99

SnCu For Wave?

Electronics Forum | Wed Jan 11 10:49:35 EST 2006 | pete_d

Is anybody out there using Sn99.3Cu0.7 for wave soldering? How does it look. (Cost is about the same as eutectic 63/37).

lead-free wave

Electronics Forum | Tue Jul 24 03:26:45 EDT 2001 | winnifred

Dr. Lee, For lead-free wave soldering, we are recommended to use SnCu0.7, why not 0.8 or more ?? Since SnCu0.7 has eutectic melting point at 227 deg C, does it mean with more Cu or less Cu, the melting point will be higher ?? Also, in lead solderin

Reliability assessment SnPb joints to lead-free component

Electronics Forum | Tue Jun 07 19:24:26 EDT 2005 | Joseph

Dear all, Recently we encountered some functionality failure when using lead-free component(Sn99.3/Cu0.7)at SnPb(Sn63Pb37) wave soldering process. Can lead-free component use at non-lead free process? Any input/idea are much appreciated. Rgds

Sn99 Cu0.7 Ag 0.3

Electronics Forum | Mon Mar 07 09:14:04 EST 2005 | Rob

Hi does anyone have any experience of running Sn 99 Cu0.7 Ag 0.3 solder in their waves? Also is there any reliabilty data available? I think it may also be called C7A3. All I can find is a brief mention in a table in IEC 61190-1-3 2004, and on a pr

99C solder

Electronics Forum | Tue Oct 07 13:25:58 EDT 2008 | patrickbruneel

The 99C is the part number used by manufacturers for the Sn 99.3% Cu 0.7% Alloy.

Lead Free Alloy

Electronics Forum | Wed Nov 07 12:29:41 EST 2007 | oswaldorey

Although greatly publicized and many papers on the subject, I wish to hear experiences from the field from professionals who have migrated from SnPb wave soldering to PbFree wave soldering. I am being pushed by one of my largest clients, an internati

lead-free mixed technolgy

Electronics Forum | Thu Nov 06 09:10:13 EST 2003 | successmani

hi, NEMI recommends separate solders for reflow sodlering and wave soldering. Reflow soldering- Sn-3.9Ag-0.7Cu Wave sodlering- Sn-0.7CU Wavesoldering- Sn-0.7Ag What will happen if a mixed technolgy PCb board containing both through hole and surface

Sn99 Cu0.7 Ag 0.3

Electronics Forum | Mon Mar 07 20:22:05 EST 2005 | KEN

Here are some general rules for lead free wave solder: Noble aloys will cost more. Period. The cheapest metal on earth is lead. Costs can only go up in Lead Free. Consumer grade and class 2 electronics will most likely use Tin / Copper for wave.

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

Lead Free Wave Soldering

Electronics Forum | Wed Jul 28 18:51:52 EDT 2004 | gregoryyork

Found problem many years ago by chemical extraction and IR analysis, produces alarming amounts of plasticizer from under cured or incorrect mix of hardener to liquid photoimageable solder resist. Problems this causes are endless and many things blame

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