[Elecraft] K2 RF board, NPO capacitors

Hi all, hope someone can offer some advice on this. I'm building K2 #5551 and was concerned that most of the RF board capacitors listed as NPO appeared to be ordinary blue resin-dipped ones. I mailed Elecraft tech support a few days ago to enquire if the caps supplied were NPO (zero

[Elecraft] K2 RF board, NPO capacitors

David Lankshear wrote ... Guess I must have done something wrong because I got no reply, so can anyone who's been there, done that kindly advise, please? Hi Dave, I don't have an answer for your NPO question, but I can tell you a little bit about Elecraft parts support ... 1) Elecraft will

Re: [Elecraft] K2 RF board, NPO capacitors

Hi Dave, Some manufacturers do supply NPO and COG capacitors that are blue resin-dipped. I have seen other colours but blue seems to be the favourite. The small blue capacitors that Elecraft supplied for my K2 #3255 RF board are NPO types, which would be required in the tuned circuits of the

Re: [Elecraft] K2 RF board, NPO capacitors

Hi David, The blue resin dipped caps actually -are- the NP0 type. :-) Caps can appear in a variety of forms and colors and they do not directly correlate to the type. (Also, the 68 pF cap you think is missing may be marked either as 680 (68 times ten to the zero = 68pf) or as just 68,