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The Imp: C8 tantalum rating

Started by benny_profane, September 13, 2020, 08:59:56 PM

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benny_profane

Does this cap need to be 25v (per the build doc)? It's off of the Vb rail (4.5v) and doesn't seem to be exposed to a larger potential.

danfrank

16v is fine. Most 1uf tantalum caps I've seen though are usually 35 volt.

benny_profane

Quote from: danfrank on September 13, 2020, 09:53:18 PM
16v is fine. Most 1uf tantalum caps I've seen though are usually 35 volt.
Thanks, I've got some 16v caps in my stock and was curious. I'm reading the schematic correctly, right? That it's on the 4.5v rail and only has that potential?

danfrank

C8 is on the 4.5v rail in a roundabout way. 16v will be fine for cap.