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February 2006

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Subject:
Re: Populated PCB deflection spec?
From:
Alan Young <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Alan Young <[log in to unmask]>
Date:
Fri, 10 Feb 2006 12:49:01 -0500
Content-Type:
text/plain
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text/plain (24 lines) 
Hi,

Here is a question that has just popped across my desk from an engineer.

A board has been populated (All SMT - 0402's, BGA's, etc.) mounted into its housing on stand-offs. 

How much deflection is acceptable if the board has not been properly supported in the middle?

Is there a specification for this?

Thanks In Advance.

Alan.

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