[R-390] Caps

[Cecil]

The kits I purchased from Dave were film foil orange drops.  

rbethman <rbethman at comcast.net> wrote:

>This has gone on FAR too long!
>
>I purchased a large bag from Perry Sandeen.
>
>I also purchased complete replacement kits from Dave Bingham.
>
>These and others I purchased from Arcadia Electronics here in Virginia 
>HAVE BEEN metalized film capacitors!
>
>They have been rated at 600V or 630V.
>
>I've used these in R-390As, SP-600s, and misc. Hallicrafters pieces.  
>(Apache, Mohawk, and DX-60.)
>
>*IF* there has been "self healing" taking place, I *certainly* have not
>
>had ANY indication!
>
>All of the above ARE tube based.  Yes, Hollow State!
>
>I have had ONE failure in one R-390A.  It was the frickin' audio tube 
>that shorted and took out a 2W carbon resistor!  Absolutely nothing
>else!
>
>This has become utter insanity!
>
>I've had WORSE issues with plate blocking caps!  Those that are some 
>brown molded *crap*, not the red resin ones, can't even keep their
>value 
>sitting on the shelf!
>
>Every single Brown Beauty of Death has been removed from the '51 
>Contract Collins!  All replaces with the aforementioned metalized film 
>types.
>
>Bob - N0DGN
>
>
>On 4/29/2013 12:59 PM, quartz55 wrote:
>> So what are people using on the AF board?  The OD will not fit on the
>board, or rather you can't mount the module on the chassis.  I found
>some TDK X7R MLCC that may be appropriate for the bypass caps i.e.
>FK22X7R2J104K, digikey has them for $1.71.  Mouser has the rest in .01,
>.033 and I think .047. The size is right.  What about using the MLCC
>X7R on the audio board?
>>
>> Dave
>>
>
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