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December 2011

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DesignerCouncil <[log in to unmask]>
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Date:
Thu, 8 Dec 2011 13:49:26 -0600
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"(Designers Council Forum)" <[log in to unmask]>, Dave Schaefer <[log in to unmask]>
Subject:
DFH : Design for Humidty
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Dave Schaefer <[log in to unmask]>
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Anyone have experience determining when an Electronic Assembly requires added precaution against humidty ?

Are there any specifications which outline when an assembly must be conformal coated / potted / moisture sealed ?

I've designed many PCBs over the years for various Military and Automotive applications where specific environmental protection was required but this was always laid out in reference to a specific standard on the statement of work. In this case I simply have a requirement that the assembly remain functional at a certain humidty level.

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