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September 2006

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Subject:
From:
"Ingemar Hernefjord (KC/EMW)" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Ingemar Hernefjord (KC/EMW)
Date:
Wed, 6 Sep 2006 13:09:26 +0200
Content-Type:
text/plain
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text/plain (62 lines)
The reliability is based on a number of parameters, humidity, vibration,
shock, handling, corrosivity and a lot more, so, your question depends
on....
Generally spoken, butt joint PWB connectors are not allowed for MIL use.
If you look at Amphenol's (US biggest on MIL conns) homepages, you'll
find zero butt joint connectors for PWBs. There must be a reason why.
For commercial use, I can imagine butt joint connectors are very
welcome, because they match rapid robotic mounting. So, for home
electronics and commercial things in general, they are probably reliable
enough. 

Your question can only be answered in general terms, because we don't
know anything about the sliding mechanisms when mating, nor how the body
is meant to be secured vs. the board etc. I've been working a lot with
connectors in "my former life" and I have seen how complicated the
verification of a connector series can be.

Inge 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Tempea, Ioan
Sent: den 5 september 2006 22:31
To: [log in to unmask]
Subject: [TN] Connector reliability

Hi Technos,

I would like what you think about the reliability of the joints formed
by this connector http://samtec.com/ftppub/pdf/SFMH_SM.PDF

It looks pretty much like a butt joint to me, no real compliance.

And since we're here, what about SMT headers, with their massive pins,
are they reliable?

Thanks,

Ioan

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