eBay...

https://www.ebay.com/itm/NOS-CentraLab-CRL-850S-75N-Doorknob-Capacitor-75-pF-7500-V-N750-in-Silver-Saver/264077356412?hash=item3d7c3cad7c:g:m9EAAOSwUalcCkiZ

Cecil
K5DL

Sent using recycled electrons.

> On Dec 28, 2018, at 3:16 PM, <daraym...@iowatelecom.net> 
> <daraym...@iowatelecom.net> wrote:
> 
> Greetings topbanders. . .
> 
> While CQing early this morning I began noticing a faint but troubling smell 
> in the shack.  It smelled like over heated wiring or electrical components.  
> It continued to get stronger as I realized the odor was coming from the Alpha 
> 99 amp.  Indeed, a few moments later it tripped out.  I dug into it this 
> afternoon and discovered a leaky 75 pF/6 kV cap which is one of five such 
> caps in a parallel bank that is pulled in on the band switch to achieve tank 
> resonance only on 160m.  I have removed the bad cap making the amp 
> operational once again with the air variable tuning cap making up the lost C 
> (and there’s still a little C to spare on the air-variable).  After some 
> searching I cannot find a 75 pF/6 kV cap.  Mouser does not have anything even 
> close in terms of the high voltage rating (hopefully I didn’t something).  
> The closet thing Newark has is 47 pF which I have ordered.  I’m guessing the 
> 47 pF is probably OK but how important is equal current distribution across 
> the five caps?  Maybe I don’t need to be concerned about it?  If I really do 
> need the correct 75 pF/6 kV cap does anyone have ideas of a source?    
> Replying privately is fine.   See you all in the Stew.        73. . .Dave, 
> W0FLS
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