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840Uf 12 V closes value
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jerryvb:
Hi I am fixing Tektronix scope 2215 at thepower supply the capacitor C972,C975 C985 are 840Uf 12V , that need to replace. I can't find the value much to this 3 caps.
What do you think the best replacement value for this 3 caps ???
emai me at jerryvcb@gmail.com
amyk:
820/16 is the closest standard value.
floobydust:
I find modern electrolytic caps caps are low in value, close to their rated -20%, whereas the old Spragues were +100%/-10%.
I use United Chemi-Con EKYB250ELL102MJ20S 1,000uF 25V in Tek scopes.
I recommend to upsize to 1,000uF as the 2235A did. I believe your power supply is similar, here is spreadsheet with those cap details and sizes, taken from thread: https://www.badcaps.net/forum/showthread.php?t=71125
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