[ale] OT: Problem mixing gold and tin contacts

[Jim Kinney]

When in doubt, anneal them all. a few seconds with a small torch will
relieve any and plating stresses for a long time.

It's like the plumbing fixture company American Standard.

They aren't.

The only thing "standard" about plumbing are the rules on gravity and
pressure
1. Crap flows downhill
2. Pressure makes little leaks into big leaks.

On Mon, Apr 26, 2010 at 5:21 PM, Scott Castaline <skotchman at gmail.com>wrote:

> On 04/26/2010 04:52 PM, Jim Kinney wrote:
> > The old tin contacts had lead in them. lead to gold contact was not
> > good. The new tin contacts don't have lead. tin to gold contact is OK.
> >
> > The tin has other problems (whiskering - http://nepp.nasa.gov/WHISKER/ )
> >
> So I shouldn't have any problems mixing gold plated berg pins with tin
> plated berg pins as long as they are lead-free?
>
> This project which started out as a simple one has become a major issue.
> There are so many look-alike berg pins and they are not interchangeable.
> I found that Berg Mfg is now part of FCI. The male and female pins i got
> at Fry's do not fit into the rectangular female receptacle from Digi-Key
> that were made by FCI. However the FCI pins will. At a quick glance they
> both look the same, but taking a real close look (In my case I had to
> put on 2 pairs of +225 reading magnifiers) they are different. So much
> for a rose is a rose........
> > On Mon, Apr 26, 2010 at 4:42 PM, Scott Castaline <skotchman at gmail.com
> > <mailto:skotchman at gmail.com>> wrote:
> >
> >     Anyone know if it is still and issue using tin contacts with gold
> >     contacts? I remember it was several years back with memory simms, but
> >     I'm being told that it no longer holds true.
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> >
> >
> > --
> > --
> > James P. Kinney III
> > Actively in pursuit of Life, Liberty and Happiness
> > Doing pretty well on all 3 pursuits
> >
> >
> >
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-- 
-- 
James P. Kinney III
Actively in pursuit of Life, Liberty and Happiness
Doing pretty well on all 3 pursuits
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