There is a PTH via underneath the ceramic component. I have not cross
sectioned to that plane yet. I will to understand the connection of
the side terminations.
Victor,
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Gary Crowell
Sent: Friday, November 14, 2008 2:59 PM
To: [log in to unmask]
Subject: Re: [TN] Strange looking ceramic component
I do hope there's a via under the cap on those ground pads...
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of gacrowell
> Sent: Friday, November 14, 2008 1:52 PM
> To: [log in to unmask]
> Subject: Re: [TN] Strange looking ceramic component
>
> AKA X2Y caps.
>
> --------------------------------
> Gary A. Crowell Sr., P.E., CID+
> www.linkedin.com\in\garycrowellsr
> Micron Technology; Boise, ID
> (208) 368-5325
>
>
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
> > Sent: Friday, November 14, 2008 12:37 PM
> > To: [log in to unmask]
> > Subject: Re: [TN] Strange looking ceramic component
> >
> > Hi Victor,
> >
> > Sorry for not getting your pictures posted sooner. I've been
> > busy with a
> > fire here...
> >
> > Anyways, got your pics up now:
> >
> > http://stevezeva.homestead.com/files/PWB-FL1-1.JPG
> >
> > http://stevezeva.homestead.com/files/PWB-FL1-1a.JPG
> >
> > I'm not an electrical engineer, but I do know that they are filter
> > capacitors used to help with EMI. We place a lot of them on
> > quite a few
> > assemblies.
> >
> > Steve
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
> > Sent: Friday, November 14, 2008 10:03 AM
> > To: [log in to unmask]
> > Subject: [TN] Strange looking ceramic component
> >
> > Fellow TechNetters:
> >
> > I have a ceramic component, capacitor, with four solder joint
> > terminations. My main concern is the component body size to
> > copper pad
> > ratio. Do they violate IPC standards? I sent Steve G.
> > some photos to
> > upload to his web page.
> >
> > Victor,
> >
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