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Answer by Tim Williams for Ceramic capacitor has no voltage rating,...

IdentificationFollow the traces, from the capacitor in question, to the main filter cap (electrolytic type) of a AC-DC converter, which it is connected across. It therefore sees peak rectified mains...

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Answer by DrMoishe Pippik for Ceramic capacitor has no voltage rating,...

Since you state you're just trying to replace it, look at the highest voltage rating on any marked component on the board, and go with that rating.The physical size of the capacitor is a clue -- if the...

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Ceramic capacitor has no voltage rating, recommendations?

I'm trying to replace this low value ceramic capacitor marked R472KUK.I figured out it's a 4.7nf (4700pf) with 10% tolerance.What's the "R" at the beginning of its code? What does the "UK" in the last...

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