MSL 3 is Okay.
For PCBs above 2mm with more than 12 layers, I prefer to define them as MSL
=4.

Wave soldering is indeed thermal event.


On Tue, Dec 10, 2013 at 7:20 PM, MaryJane Chism
<[log in to unmask]>wrote:

> Hi Group,
>
> I have a question concerning the moisture level of a printed circuit board.
>
> 1) Does a printed circuit board have an MSL level? We have been treating
> the printed circuit as an MSL Level 3.
> 2) Should we consider the wave solder as a thermal event even though the
> wave carriers shield all areas of the printed circuit board except the
> specific through hole areas. We currently do but should we?
>
> Any information you give will be helpful,
>
> Thanks,
>
> Mary Jane
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>



-- 

Best Regards,

*Reuven Rokah*

Mobile: 972-52-6012018
Tel:        972-3-9360688
Fax:          076-5100674
 <http://www.rokah-technologies.com/>[log in to unmask]
[log in to unmask]
www.rokah-technologies.com


This e-mail message is intended for the recipient only and contains
information which is CONFIDENTIAL and which may be proprietary of Rokah
Technologies. If you have received this transmission in error, please
inform me by e-mail, phone or fax, and then please delete all of the
original files and all other copies exist.


______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________