Those capacitors are using the standard 3 digit code - two significant
digits followed by a multiplier (9 is used for a multiplier of 0.1 in
this type of identification).
010 is 1pF
030 is 3pF
270 is 27pF
229 is 2.2pF
I don't know where your 270pF (marked 271) capacitor may be, you didn't
list it.
With manufacturers discontinuing many thru-hole components, it is
getting more and more difficult to keep the manuals current with the
available supply.
73,
Don W3FPR
On 7/20/2018 12:10 PM, AE0MM via Elecraft wrote:
I'm having trouble identifying a few capacitors used in the assembly of the K2
RF board.
C72: "271"
C45: NPO "1", black top
C33: 2.2pf "2R2" or "2"
C198: NPO "27" or "272"
What I have:
a blue "010"
a blue "030"
a yellow "270"
a yellow "229"
I suspect the "229" is a 2.2pf capacitor for C33.
The "270" could be 27 or 270pf, but I'm not sure; it might be for C72.
The "010" could be the 1pf for C45, but it doesn't have a black top.
Could the "030" be for C198? This suggests it could be:
http://www.elecraft.com/Apps/caps.htm
I'm having trouble measuring capacitance for these tiny capacitors. Values are
all over the place. Any suggestions for verifying the values and positively
IDing them?
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