[AMRadio] Transformer/Choke

D. Chester k4kyv at charter.net
Mon May 19 12:59:27 EDT 2008

> Does anyone have a reference for a UTC PA-109 choke?  All I've found so 
> far
> is UTC Varimatch Transformer manuals.  I'm just wondering what the
> inductance and current rating is.

> Rick/K5IAR

5-25 henry swinging choke.  5 hy @ 500MA, 25 hy@ 50MA.

This is the same thing as the CG-109, except that the case style is 

The PA series is the original.  PA stands for "Public Address".  In about 
1949, they changed the PA series to CG, which stands for "Commercial Grade".

For a large selection of transformer catalogues and specifications in PDF 
format, go to:


Don k4kyv 

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