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Old 20th February 2010, 08:26 PM   #1
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Default newb question - replacement caps

i have an old amp and i assume the caps need to be replaced. i have searched the internet for the specs of these ones they are elna 50V 6800 uf and there are 4 of them but i haven't found any. any advice as to where i could find them or whether they are obsolete? and if obsolete what other advice?

thanks
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Old 20th February 2010, 11:35 PM   #2
Enzo is offline Enzo  United States
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You can't find 6800uf 50v caps?

A quick look at Mouser, and I find 6800uf caps, 50v rated, in three different style packages - wire leads, snap in leads, and even one with screw terminals. WHich type were you looking for?

Mouser Electronics - Electronic Component Distributor

And I would think that other parts houses like Allied and Digikey would have similar selections.
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Old 20th February 2010, 11:47 PM   #3
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Quote:
Originally Posted by chopchip View Post
i have an old amp and i assume the caps need to be replaced. i have searched the internet for the specs of these ones they are elna 50V 6800 uf and there are 4 of them but i haven't found any. any advice as to where i could find them or whether they are obsolete? and if obsolete what other advice?

thanks
6,800uf 50v are easy to find. if they are used in the power supply you can use bigger ones and other brands too, make sure you use 50v caps or higher. if you want better ones for power supply,try Mundorf Audio Grade. they are fantastic caps!

http://www.mouser.com/ProductDetail/...Kgwpf2arXOQ%3d These are $3.37 each from Mouser.

Last edited by lanchile; 21st February 2010 at 12:00 AM.
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Old 20th February 2010, 11:50 PM   #4
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these ones have 3 terminals
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Old 20th February 2010, 11:56 PM   #5
Apex Jr is online now Apex Jr  United States
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I have some 6800 Uf 80V Snap-In Caps in stock
They measure 1 1/2 Dia and 2 3/8" High for $4.50 ea
Made by Jun-Fu used in my subwoofer amps.

Steve @ Apex Jr
Apex Jr.Home Page
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Old 21st February 2010, 12:29 AM   #6
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Quote:
Originally Posted by chopchip View Post
these ones have 3 terminals
are they like this? if they are, they are "two capacitors in one" they often use them in tube amps.
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File Type: gif thetubestore_2094_30617720.gif (22.8 KB, 56 views)
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Old 21st February 2010, 12:34 AM   #7
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hi,

thanks very much for the info. i gleened from a youtube reply that the third terminal isnt really a terminal but that instead it is for stability and for assuring correct placement of the component. these caps are 3.1 cm by 5.7 cm.

thanks again
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Old 21st February 2010, 12:56 AM   #8
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the terminals are spaced at 1.5 cm. i have looked at the mouser and mundorf websites but havent found anything yet.

thanks again
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Old 21st February 2010, 04:29 AM   #9
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Quote:
Originally Posted by chopchip View Post
the terminals are spaced at 1.5 cm. i have looked at the mouser and mundorf websites but havent found anything yet.

thanks again
Can you post picture of that special cap? as we mention before, 6800uf 50v are everywhere.I do not see what is the problem if is just 6800uf 50v. or are you looking for the same one? these days capacitors with that capacitance come smaller than years ago.

This is a 6800uf 63v cap from Mauser, check it! http://www.mouser.com/ProductDetail/...Kgwpf2arXOQ%3d
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Old 21st February 2010, 11:40 AM   #10
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Quote:
Originally Posted by lanchile View Post
Can you post picture of that special cap? as we mention before, 6800uf 50v are everywhere.I do not see what is the problem if is just 6800uf 50v. or are you looking for the same one? these days capacitors with that capacitance come smaller than years ago.

This is a 6800uf 63v cap from Mauser, check it! SLPX682M063C9P3 Cornell Dubilier Aluminum Electrolytic Capacitors - Snap In

thanks for the reply. the lead spacing on that cap is 10mm while that of this one here is 15mm. otherwise it would work. can i bend the leads to fit this board?

thanks
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