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Bad capacitor, need help selecting replacement.

A

amazon3d

Limp Gawd
Joined
Oct 19, 2007
Messages
454
I have a Dell Optiplex GX520 that had a few capacitors go bad and would like to see if I can fix it. I've done this before with a video card and it is running fine now.

The only markings are "B1", "2200uF", "6.3V", "KZJ", "7(7)", and "(M)105C".

The closest replacements I have found are http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P12344-ND And http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P10204-ND.

Has anyone replaced these with success? Also are these the correct caps? I am 99% sure they are but figured I'd hit ya'll up before I waste $ ordering the wrong ones.

Also this one here seems to be an exact match, however I like Panasonic capacitors the best.
 
I'd say as long as the capacitor is 2200uF and 6.3V with 105C temp tolerance you should be fine.
 
I usually go up a notch in both capacity and voltage rating if I can get it in the same form factor. These electrolytics are almost always just filter caps, value is not critical and more is better.

Was me I would have seen if Digikey had a 3300uF 10V in the same package.

But you are fine.
 
jojo69 said:
I usually go up a notch in both capacity and voltage rating if I can get it in the same form factor. These electrolytics are almost always just filter caps, value is not critical and more is better.

Was me I would have seen if Digikey had a 3300uF 10V in the same package.

But you are fine.
Click to expand...

I have some 3300uF 6.3V caps on another motherboard I could use, but I prefer replacing them with the same thing. People don't tend to design things with universal parts, most of all Dell, if you remember the power supply issue they had some time ago.
 
From what I have read and done it is recommended you use the same capacitance and equal to or higher voltage. I recently had to scavenge a cap from a dead gx270 for a gx320 that blew a cap and sprayed juice all over the memory shorting it out because I couldn't find anything remotely close to the caps values except for straight from china and it had to be fixed next day. Dell uses some weird caps sometimes.
 
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