Re: {Collins} Colllins 516F-2 Question



OK Chuck,

    I will buy a few of them.  Thanks very much.  If they are working ok in 
your power supply that's good enough for me!

    Thanks so much!!!

    Steve  K2FW


----- Original Message -----
From: Chuck Curran <chuck53012@xxxxxxxxx>
To: Steve <k2fw@xxxxxxxx>
Sent: 8/9/2019 9:37:41 PM
Subject: Re: {Collins} Colllins 516F-2 Question



Tubular axial.


I thought the phrase “ looked like an orange drop cap” would clarify that.  I guess I should have been more definitive.


Just saw the remaining three today as I dug out an assembly used in 75S-3 calibration/alignment routine.


Chuck

On Aug 9, 2019, at 8:30 PM, Steve <k2fw@xxxxxxxx> wrote:


Chuck, did you buy the tubular axial or the disc ceramic .05 1600VDC cap?

Steve  K2FW


----- Original Message -----
From: Chuck Curran <chuck53012@xxxxxxxxx>
To: Steve <k2fw@xxxxxxxx>
Cc: Collins Reflector(CCA) <collins@xxxxxxxxxxxxx>, Peter Wittenberg Sr <K2LRC@xxxxxxxxx>
Sent: 8/9/2019 9:17:46 PM
Subject: Re: {Collins} Colllins 516F-2 Question


Steve

I saw those same caps at Just Radio and I bought four. I have only used one in a 516F-2, but it worked fine.

That’s not much history, but I hope it helps.  It appears to be an orange drop cap.  Not sure who really made it, but happy with the results.

Chuck W9KR

> On Aug 9, 2019, at 8:11 PM, Steve via Collins <collins@xxxxxxxxxxxxx> wrote:
> 
> Pete, Dick & the CCA,
> 
>    I see that a company called Just Radios online has .05uf tubular axial lead 
> Caps available at 1600VDC.  I also assume non-polarized.  I could also purchase 
> a .047uf Disc Ceramic at 1600VDC as well.  Is there a preference toward either 
> capacitor in the 516F-2 power supply?
> 
> 
> 
>    Steve  K2FW
> 
> 
> 
> 
> 
> ----- Original Message -----
> From: Peter Wittenberg Sr <K2LRC@xxxxxxxxx>
> To: Steve <k2fw@xxxxxxxx>
> Sent: 8/9/2019 4:05:00 PM
> Subject: Re: {Collins} Colllins 516F-2 Question
> 
> 
> Tuning cap for the choke to control the ripple in the supply voltage.   Replace 
> any of the old ones since they short to the case and the choke is gone..caps 
> are available on line.
> 
> 
> 
> 
> 
> -73- Peter K2LRC
> www.k2lrc.com
> COLLINS REBUILDERS LLc.
> 916-663-9744 shop
> 443-994-1438 cell
> 
> 
> Sent from my iPad
> 
> On Aug 9, 2019, at 10:22, Steve via Collins <collins@xxxxxxxxxxxxx> wrote:
> 
> 
> Hello to the very fine CCA Group
> 
> I have a question in regards to Capacitor C1 in the 516F-2 Power Supply.
> What exactly is the purpose of this capacitor?  Is this a capacitor that should 
> be replaced if is still the original part?  And is it necessary for this 
> capacitor to be polarized?
> 
> Tks everyone!
> 
> Steve  K2FW
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