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Old 16th February 2009, 10:22 PM   #1
Zap is offline Zap  United States
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Default Over 500V rated electrolytics?

I'm helping a friend repair a vintage guitar amp and I noticed that 550V caps are called out on the schematic. Is there a good brand that is available at a supplier like Digi-Key or one of the tube-related houses? Almost if not all the parts I've found seem to top out at 500V.

Thanks!
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Old 16th February 2009, 10:30 PM   #2
kmaier is offline kmaier  United States
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Sprague still lists an Atom electrolytic rated at 20uf@600VDC. Steve at Angela has them.

Regards, KM
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Old 17th February 2009, 12:10 AM   #3
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Not cheap, but Mouser has these:

600V, 20uF
600V, 10uF
600V, 20uF

Do you have room in the chassis to series connect a pair of 300 volt rated caps? Don't forget the voltage balancing resistor in parallel with each cap.
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