[Johnson] Odd electrolytic value in Ranger

Steve Bookout steve at nr4m.com
Tue Oct 18 13:48:11 EDT 2022


Kinda funny how they just jump out a you.

I would look at Just Radios. https://www.justradios.com/cart.html

They have a good selection.  I just looked and found 22uf axial, 105 
degree electrolytic caps in both 350 volts and 450 volts, each one less 
than $2 a piece.

Put two in series and you would be fine.  They have a $25 minimum, but 
lots of good stuff to purchase.

Or, you can find similar caps on Digikey and Mouser.

Good luck.

Steve, NR4M

On 10/18/2022 1:14 PM, patrick at ae1pt.com wrote:

> I was minding my own business in an antiques mall, and what did I see?  Why,
> a Viking Ranger for $50.  I certainly could not leave it there, looking so
> forlorn-and it followed me home.
>   
> It uses a 10mf @ 700V axial electrolytic in the HV supply.  The manual says
> that things are in the 500VDC range for CW and Phone-but rises to 600VDC in
> Standby.
>   
> I found one option with Mouser, but they want $36 for a Vishay-nearly what I
> paid for the rig.  Having looked elsewhere, what I found was an MEIC brand
> rated at 600WVDC, with a surge factor of 650VDC.  It's a smaller package
> than the Vishay.
>   
> Does the latter have enough latitude to run the HV rail?  Or is there some
> other alternative or cap that I might have missed that someone knows?
>   
> Any suggestions are appreciated!
>
> PT
>
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