I have a Tantalum capacitor that needs to be replaced - 560pf/2Kv. I have found a ceramic cap with the same values. Can I replace with the ceramic, and what are the differences other than material of construction? Thanks for your input.
A 2Kv Tantlum capacitor? Wow! Are you sure?
I would think that the ceramic capacitor would be a good choice for replacement. Just make really sure that you replace with equal or higher voltage rating. The materials of construction in capacitors of similar ratings affect the following factors:
- Capacitor size
- Temperature stability
- Tolerance of capacitance
- Susceptability failure under over voltage transients
- Ageing characteristics
-- mkaras
On Sat, 30 Sep 2006 13:31:49 -0700, mkaras Has Frothed:
Looks like a tuning cap in the HO circuit of Zenith, Philips etc.. I would stick with the same composition.
-- Pierre Salinger Memorial Hook, Line & Sinker, June 2004 COOSN-266-06-25794
It's not tantalum. :)
--- sam | Sci.Electronics.Repair FAQ:
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Thanks Sam. It looks like one, and it is in the Horiz. of a Zenith. I simply can't locate the replacement, so was looking to sub. Do you know what type Cap this is? Thanks again to all.
It very oviously isn't though !
It'll almost certainly be ceramic or plastic film.
Graham
Almost certainly not a tantalum with a 2KV rating. They just don't go up that high or down that low capacity wise. Tantalum caps are electrolytic types, and polarized (never have seen a tantalum that wasn't polar)..
I could believe it is ceramic - that's in the range of capacity and voltage that makes it believable
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