Split Ceramic Disk Capacitor

Rob Jarratt robert.jarratt at ntlworld.com
Mon Mar 30 01:30:56 CDT 2020

I don't know, but thanks for pointing out that it might not be a capacitor.
I have two more VLCs so I will open them up and see what the markings are,
the markings on this one are almost illegible.



> -----Original Message-----
> From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Peter Coghlan
> cctalk
> Sent: 30 March 2020 00:56
> To: General Discussion: On-Topic and Off-Topic Posts
<cctalk at classiccmp.org>
> Subject: Re: Split Ceramic Disk Capacitor
> >
> > Since I am forced to stay at home more than I would like I though I
> > would check some more PSUs. One I wanted to check was the H7109-C from
> > one of my VAXstation 4000 VLC machines. I found a leaked capacitor and
> > some other high ESR ones, so I will replace those. However, I also
> > noticed a ceramic disk capacitor that appears to be split all around
> > the edge. Is that a known failure mode?
> >
> Is it definately a capacitor?
> I've had some damaged surge arrestors / MOVs / VDRs that look very similar
> ceramic disc capacitors.
> Regards,
> Peter Coghlan.

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