125uF/450V Electros are gettin' tough to find!!!

[Glen Zook]

Just use 120 mfd capacitors.  The original capacitors had a tolerance of -50% / +80% which meant that the actual capacitance could be anywhere from 67.5 mfd to 225 mfd.  New capacitors have, at worst, +/- 20% tolerance which means that they are from 96 mfd to 144 mfd which is MUCH closer to the design parameters.

Also, frankly, those capacitors that are now marked 125 mfd are actually going to be "re-marked" 120 mfd capacitors.  The only difference is going to be the price!  Just purchase 120 mfd capacitors from Mouser, etc.  They are going to work fine.

Glen, K9STH

Website:  http://k9sth.com


--- On Mon, 4/5/10, Alexander N Gerli Sr <ac1y at NC.RR.COM> wrote:

Sho' is! I'm rebuilding my old UT-1, and I need a source of 125uF/450V caps. I suppose I could parallel 100s and 33s to get the same effect, but SOMEONE'S got to have these critters. Not Mouser or Newark, though!


      

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