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 > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband Reflector _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
