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April 2002

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Subject:
From:
"Wright, Michael D." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 3 Apr 2002 11:33:02 -0500
Content-Type:
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text/plain (65 lines)
Murata, at http://www.murata.com have a good article on this subject. Mainly
the reason is, that the aluminum electrolytic will loose 50% of the rated
capacitance a -40 degrees C. At -55C it is worse. This then also is true for
industrial applications.  I just looked for the article that I am referring
to and couldn't find it, so I am attaching it.

Michael Wright
Sr. Engineer
ITT Cannon
952-974-5813

-----Original Message-----
From: DUTTON Phil [mailto:[log in to unmask]]
Sent: Tuesday, April 02, 2002 1:48 AM
To: [log in to unmask]
Subject: [TN] Aluminium Electrolytics

Hello Technetters,

Mil-STD-5400 para 4.3.8.2 says that aluminium electrolytic capacitors shall
not be used in airborne electronic equipment.
Can anyone please explain why this is so?

thanks,

Phil.

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