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July 2006

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Subject:
HC-49 Crystals
From:
Greg Major <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Wed, 5 Jul 2006 08:18:59 +1200
Content-Type:
text/plain
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text/plain (24 lines) 
Hi,

Probably a stupid question but.....  what does the 'HC' stand for on HC-49
(eg) crystals?

I know it's the holder type and it's to do with the old MIL3098 spec, but I
guess it actually stands for something.

Likewise the 'U' at the end of most?

cheers

Greg

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