[R-390] Caps

[Norman Ryan]

Hi,

Strictly film/foil for C553.  Don't stint here.  .01uF at 600/630V Orange Drop is your best bet.

73 de Norman, KG4SWM

--- On Thu, 5/2/13, David Wise <David_Wise at Phoenix.com> wrote:

> From: David Wise <David_Wise at Phoenix.com>
> Subject: Re: [R-390] Caps
> To: "r-390 at mailman.qth.net" <r-390 at mailman.qth.net>
> Date: Thursday, May 2, 2013, 2:43 PM
> I researched caps only for replacing
> C553.  One per radio.  For the others, self-heals
> are non-fatal so metalized film is okay.  Hmm - C511
> bypasses the B+ on C553.  A short there would hit the
> filter with a good-sized transient.  But it's a 1kV
> ceramic.  What's the word here?  Are these
> ceramics more or less reliable than film/foil?
> 
> Dave Wise
> SWL in Hillsboro OR
> 
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]
> On Behalf Of David C. Hallam
> Sent: Thursday, May 02, 2013 5:05 AM
> To: r-390 at mailman.qth.net
> Subject: Re: [R-390] Caps
> 
> Check the current price on these capacitors.  You will
> find the price is 
> several dollars each.  Maybe if you are doing a one off
> for yourself or 
> someone with deep pockets and really doesn't like the looks
> of orange 
> drops, otherwise just too much.
> 
> David
> KW4DH
> 
> On 5/1/2013 10:25 PM, sam letzring wrote:
> > CDE still makes 3 versions of axial-lead film/foil
> capacitors. Series 
> > WMC, WMF and WPP. I have been using a NOS supply of
> these for years on 
> > my boatanchor refurb projects. Just don't like the way
> the radial OD's 
> > and others look under the chassis. They are probably
> easily available 
> > from CDE distributors. I'm sure they would work with
> someone to make a 
> > supply available to us fanatics!
> >
> > 73
> >
> > Sam
> >
> > KE5IRZ
> 
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