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May 2009

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Subject:
From:
Werner Engelmaier /* <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Wed, 13 May 2009 16:24:50 -0400
Content-Type:
text/plain
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text/plain (139 lines)
 Well, we KISS and make up.
I don't know about Sweden—the 'SKOAL' you [which I guess means the decapitate you, make a vessel from your skull, and then drink to your health]
Werner


 


 

-----Original Message-----
From: Douglas Erb <[log in to unmask]>
To: [log in to unmask]
Sent: Wed, 13 May 2009 4:07 pm
Subject: Re: [TN] Nylon connectors - moisture sensitivity










So much for the KISS principal!

Doug Erb

ダグ・アブ

Senior FAE
Hirose USA

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge
Sent: Wednesday, May 13, 2009 12:22 PM
To: [log in to unmask]
Subject: Re: [TN] Nylon connectors - moisture sensitivity

Genny,
first of all, you should ask yourself :
- what is the system impedance (50 Ohm or MOhms)
- signal levels
- current levels
- DC?
- AC?
- data lines?
- wave form?
- S/N requirements?¨
- Insulation requirements (flashover risk)
- pin/sleeve basic metal?
- ditto plating?
- migration condtions?
- nylon reinforcement?

Then you can judge the situation and decide what level of risk.
In certain situations not even Teflon is satisfactory.

Inge

----- Original Message ----- 
From: "Genny Gibbard" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, May 13, 2009 8:43 PM
Subject: [TN] Nylon connectors - moisture sensitivity


We have been told that a surface mount nylon connector we use is
moisture sensitive, and should be treated as equivalent to level 5a.
This is the highest level we have ever seen on=2
0any component we have
used of any type.  I didn't think that a connector could be moisture
sensitive.  Not heat tolerant, yes - we have melted a few - but moisture
sensitive?
What kind of damage can happen to a nylon connector from too much
moisture absorption?
Thanks in advance for your responses.

Genny

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