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Old 10th September 2006, 10:55 AM   #1
antomas is offline antomas  Europe
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Default SMD ceramic cap. Which one?

Hi everybody!
I'm searching for a good SMD, small-value (10-47pf), 1206-size, bandwidth limiting capacitor (Clim - see picture).

I couldn't find silver-mica or polystyrene SMD caps, so I think the only possible choice is to use a ceramic capacitor
like the Epcos COG B37940 .
Besides impedance linearity up to very high frequencies (100 MHz?), there is more to consider?
Thanks very much to everyone willing to answer. :-)
Massimo
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Old 10th September 2006, 07:34 PM   #2
gerhard is offline gerhard  Germany
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COG or NP0 material are OK.
Working voltage should be high enough. There is not
much more to choose.

Gerhard
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Old 10th September 2006, 07:57 PM   #3
singa is offline singa  Singapore
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Quote:
antomas wrote:

I'm searching for a good SMD, small-value (10-47pf), 1206-size, bandwidth limiting capacitor (Clim - see picture).
From Farnell catalog,

1206 size 50V dc. NPO

10pF 360-6030 order code

22pF 360-6041

33pF 360-6053

47pF 360-6065 order multiple= 10pcs.
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Old 12th September 2006, 12:05 PM   #4
antomas is offline antomas  Europe
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Gerhardt and Singa,
heartfelt thanks for your kind help, I think I'll try and use the COG caps I mentioned above and eventually the Farnell NPO caps.
Cheers,
Massimo
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