[Elecraft] Visually IDing NPO/C0G caps in the junkbox

[Tom Hammond]

Tom N0SS wrote:


>Folks:
>
>Just received a query from a friend, asking how to VISUALLY identify 
>a NPO/C0G ceramic capacitor if it's in your junkbox.
>
>I've heard that NPOs should have a colored band along their top 
>edge, but I've not been able to confirm this via any published info, 
>of from more than one 'informed' source.

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Hi Tom,

They usually have a black band. The encapsulated ones have a code 
number which varies, and my cypher cracking book is in Brussels - sorry.

73,
Geoff
GM4ESD