Hi Doug,
We recently had a SCS facility EOS/ESD assessment performed. We did very well. The only hit we took was a plastic (Wal-Mart) fan in our
Shipping dept. Even with our climate control, they were still able to measure some serious voltage when it ran.



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-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
Sent: Wednesday, June 1, 2016 10:14 AM
To: [log in to unmask]
Subject: [TN] Fans and ESD

Good morning all,

We had an outside audit "observation" that I would like some outside opinions on.  In your facilities, are simple air circulation fans, usually plastic blades and a plastic housing (think inexpensive Walmart) targeted as an ESD generator?  I have never heard of such and my view is that if our humidity stays above the 30% minimum found in most ESD standards, then we should not have charge generation.

So, are cheapy plastic fans an ESD hazard?

Doug Pauls
Principal Materials and Process Engineer Rockwell Collins


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