http://elecraft.85.s1.nabble.com/K2-RF-Capacitor-ID-tp7643546p7643559.html
> Thanks, Don. Looked back at my neatly bagged inventory and found the bag I marked "271". That's what I get for trying to be organized.
>
> Here's what I'll use:
> C72: "271"
> C45: "010" (although it doesn't have a black cap to indicate "temperature stable")
> C33: "229"
> C198: "270"
>
>
>
>
> --ae0mm
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>
> On July 20, 2018 12:44 PM, Don Wilhelm <
[hidden email]> wrote:
>
>>
>>
>> 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?
>
>