Hi Steve - as others have suggested, if Grayhill made a material change,
then its possible that the MSL rating needed to be changed. I have had a
couple of recent issues where I didn't quite believe the MSL rating that
was published so I asked for the IPC-JSTD-020/030 data to make sure that
the MSL rating was established using the correct procedures. You may want
to do that to determine that the MSL rating is correct.

Dave Hillman
[log in to unmask]
Collins Aerospace


On Mon, Jan 7, 2019 at 12:39 PM Steve Gregory <[log in to unmask]> wrote:

> Hi All,
>
> We just got this from Grayhill:
>
>
> https://urldefense.proofpoint.com/v2/url?u=http-3A__download.siliconexpert.com_pdfs_2018_12_30_15_39_57_231320_grh-5F_manual_grayhill-5F1312-5F12302018-5F.pdf&d=DwIFaQ&c=ilBQI1lupc9Y65XwNblLtw&r=qMshjwqeixvQjs1qYTl8aRebuaqi25nLzYlpmDF6tjI&m=Or9WNW9ZJM8ZzMmLfD8YrMcF9nYDGZB0ILSF7-4zMNo&s=UHmNHxPMJKXE8D3biNj7v1YzUMKicLJC2v9gA3a7tmE&e=
>
> I have never heard of a DIP switch being moisture sensitive, they're
> calling this an MSL3 part too?
>
> Do you think that this is a mistake?
>
> Thanks,
>
> Steve
>
> --
> Steve Gregory
> Kimco Design and Manufacturing
> Process Engineer
> (208) 322-0500 Ext. -3133
>
> --
>
>
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