[hpsdr] Fw: Altera IC's: moisture sensitivity

[Graham / KE9H]

Eric:

Yes, big tape and reel plastic carrier that the part is stored in to 
protect it mechanically
and a little bag of desiccant, and a moisture detector.  Nothing to be 
worried about
unless you are reflow soldering.  If you are hand soldering, open it 
when you want,
solder it when you want.  Observe anti-static procedures.  Leaving it in 
the mechanical
protection is a good idea, until you use it, because you don't want to 
knock any of
the pins out of alignment.

I have hand soldered four of them so far.

--- Graham / KE9H
>  
> ----- Original Message -----
> *From:* Erik N Basilier <mailto:ebasilier at cox.net>
> *To:* hpsdr at lists.hpsdr.org <mailto:hpsdr at lists.hpsdr.org>
> *Sent:* Friday, May 01, 2009 12:29 AM
> *Subject:* Altera IC's: moisture sensitivity
>
> I ordered components to build an OZY. The Altera IC's from Arrow came 
> in huge opaque sealed bags. My first thought was I had been sent 
> circuit boards, or massive quantities of IC's. On closer examination I 
> discovered labeling that said the contents is moisture sensitive, and 
> if reflow soldering or other high-temperature process is to be used, 
> it must be done within 168 hours of opening the bag. There was a hint 
> about some kind of moisture monitoring device in the bags, which might 
> explain the bulk. I don't have experience with reflow soldering, but I 
> am guessing I can ignore the issue as long as I do the soldering the 
> amateur way with iron and added solder. It will be some time before I 
> will have time to do the soldering, but I would like to verify what is 
> in the bags a.s.a.p.
>  
> Thanks and 73,
> Erik K7TV



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