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Why are good capacitors so expensive, and why don't they make these any more?

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TimFox:

--- Quote from: coppercone2 on January 01, 2024, 10:03:15 pm ---look at this one.
 
IDK if its a MLCC or a SLCC misrepresented as a MLCC

https://www.meritekusa.com/products/capacitors/high-voltage-ceramic-disc-hv-series/

I also had a round blue one that did not look like the little pillow but claimed to be a MLCC, even with the SLCC shape. It was fatter then a typical disk cap, blue, but IIRC the data sheet said it was a MLCC.

--- End quote ---

The one pictured there looks very like a disc:  note the wire connection under the coating running on the bias.
The data sheet lists several dielectrics, including C0G/NP0, X7R, … , Z5U, which would be required to cover that range of capacitance at high voltage.

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