Re: MMC Packing (Was Re: MMC Design UK Bulk Order)

• To: tesla-at-pupman-dot-com
• Subject: Re: MMC Packing (Was Re: MMC Design UK Bulk Order)
• From: Scott_L_Hanson-at-notes.seagate-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 14 Jul 1999 16:25:56 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Many tubular caps have the "outer" electrode identified by a black band (or
some other marking) around the end of the body of the cap. Knowing which
terminal is connected to the outer electrode lets you physically orient the
caps in your MMC arrangement to minimize cap-to-cap voltage gradients.

Scott




Tesla List <tesla-at-pupman-dot-com> on 07/13/99 05:36:20 PM

To:   tesla-at-pupman-dot-com
cc:    (bcc: Scott L Hanson)

Subject:  Re: MMC Packing (Was Re: MMC Design UK Bulk Order)




Original Poster: "Malcolm Watts" <malcolm.watts-at-wnp.ac.nz>

Hi Reinhard,

> Original Poster: "Reinhard Walter Buchner" <rw.buchner-at-verbund-dot-net>

<snip>
> what exactly do you mean by "case insulation ratings",
> Malcom?

The insulation surrounding the capacitor is not always as robust as
the dielectric between the plates. If two caps are nested against
each other and their outermost plates are at opposite potential (it
is possible to connect them this way) the outer insulation could be
punctured. Perhaps not likely for a conservatively rated MMC but
possible if the voltage ratings are pushed. Other types of caps often
state the breakdown strength of their casings. If it is of no
concern, please ignore my message.

Regards,
Malcolm





 > a bit puzzled in germany,
> Reinhard
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