Sorry to say that I don't have a recommendation for a vendor for small
quantities of the 1% parts, but how many did you need? I know I have
some of the 1.0nF 0805s, and might get lucky on the others too. I
have a whole bunch of some value fairly close to 4.7nF, and I'm just
not remembering which it is. Might be 3.9, might be 5.6 or 6.8, if
not 4.7. Anyway, if you're not looking for too many, I'd be happy to
help you out.

But even if you buy a bunch of 5% ones, that might not be a bad way to
go. I just measured about 20 470pF 5% ones I happened to have on my
desk, and they were between 468 and 488, about +/-2% from the
midpoint.

I'm not remembering where I saw the 60ppm number. It surprised me,
though, and I made a mental note to always check the specs on the caps
I'm using, if it's important. It was fairly recently, and it was a
surprise because I had always equated 30ppm with NPO/C0G. I just did
a Google search for "C0G 60ppm" and got several hits, but in looking
at some of them, I found 60ppm associated only with NPO, and not with
C0G, so perhaps I'm wrong about C0Gs, at least. I'd be happy to be
wrong in this case! A little further looking suggests that EIA CG or
C0G officially must be +/-30ppm max, and EIA CH is +/-60ppm.

Cheers,
Tom

"Fred Bartoli" r_AndThisToo wrote in message ...
"Tom Bruhns" a écrit dans le message news:
...

snip
o It's possible to get 1% C0G caps.


Tom,
do you know any supplier of such for proto quantity ?
I need 1n/0805 and 4.7n/1206.
I can't find any of these and I feel I'll have to buy a handfull of 5%, sort
them and maybe adapt the resitors values to what the lot would kindly give
me.
Not very entertaining.


o A C0G is probably about the cheapest electronic component you'll
find with a maximum 30ppm/C temperature coefficient (though beware,
some C0Gs I've seen are rated up to 60ppm/C).


Do you have any name ?


Thanks,
Fred.