[Elecraft] PA100 part substitution???

[Ed Tanton]

Hi Art... I refuse to believe that you can shatter a core with nothing but 
your hands and the wire. It was already flawed.

As for the capacitors, it works in decades of three: 1 mfd is 1000 nf; 1nf 
therefore, is 0.001 mfd. Your markings are consistent with 0.033mfd = 
"33n"fd and 0.015 mfd = "15n"fd . The convention is either 15n or 
15nf-usually the "d" is left out for "nf" and pf".

It continues on through pf as well: 1 nf = 1000 pf. So... 0.001 mfd = 1 nf 
= 1000 pf.

Finally, a 1 mfd capacitor is a 105. Usually when style of nomenclature is 
used, there are some other letters describing tolerance, etc. So, your 33nf 
would/should have been a 333... NOT a 332. If the manual says that, it is 
incorrect. Apparently the right part with the wrong nomenclature.

P.S. The ONE place where this gets a little flaky is on mica capacitors. 
Sometimes a 100 really IS a 100 pf capacitor, and NOT the 10 x 10 to the 
zero the MIL number would mean.



73 Ed Tanton N4XY <n4xy@earthlink.net>

Ed Tanton N4XY
189 Pioneer Trail
Marietta, GA 30068-3466

website: http://www.n4xy.com

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