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PostPosted: Mon Oct 03, 2016 6:32 pm 

Joined: Sun Oct 02, 2016 10:04 pm
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im not sure what they are but there are alot of them in the power supply also and some really big one and alot of them. i think they are capistors or resitors but what value do they have


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PostPosted: Mon Oct 03, 2016 8:36 pm 
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Believe your talking of aluminium canister capacitors . I'll post a photo in a bit to be sure that's your item.

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PostPosted: Mon Oct 03, 2016 8:51 pm 

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Yeah, pretty sure they are capacitors, they come in all sorts of shapes and sizes, I'll post some too.


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PostPosted: Mon Oct 03, 2016 10:18 pm 

Joined: Wed Mar 02, 2016 8:39 pm
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From left to right, Aluminum electrolytic, I get aluminum breakage for these as they are. Taking them apart is very messy so I never bother. They are always cylindrical like this one and are found in almost everything electronic.
Second is a ceramic disc capacitor, not really sure of the value of these, if any, not sure what material is inside them.
Third is a metalized film capacitor, not sure what metal they use to coat the plastic with, but I can't really get anything for them. The film is usually polypropylene though.
Fourth is ceramic monolithic capacitors, usually found on motherboards and modem boards, but I've been finding them on low grade TV boards lately. They have silver and palladium, depending on where the price point is, value varies. lostinlodos can chime in and reveal more, as I don't have a buyer yet for the CMCs


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PostPosted: Tue Oct 04, 2016 12:38 am 
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Here's three more since I'm almost certain this is the route of questioning .
If it is I've got a few monster ones so I can cut one open to show the insides; if you'd like.
But there's not much to see, they're quite messy, and smell like dead skunk butt.
There's two metal sheets, two oil chambers, and mineral water. Usually magnesium added distilled water+potassium chloride. One sheet is usually copper, the other a platinum group metal; most often nickel.
And some sheets of wood pulp paperboard.
No one wants them leaking and definitely not cut open so selling them as low grade aluminium is your best bet.


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PostPosted: Tue Oct 04, 2016 12:54 am 
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Rcm; the fourth one you listed is actually a polymer cap not ceramic monolithic capacitor.
The aluminium canisters will always get an Al breakage rate.
Those others you posted should always get some level of CBM on the high end or copper shred at the low end. They all have a small sheet of copper, or better and a second sheet of something else. The polymer ones both my pm buyers always take as #1 ballast rate. Meaning without the steel shell.
But ballast and CBM are so close, I no longer sort them from cbm#1 (e.g. Aluminium hard drive motors).
EDIT

Ohkay I see the tiny CMCs never mind!! ;)

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PostPosted: Tue Oct 04, 2016 1:06 am 
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Last post on this for the moment. CMCs range from 2-$8/lb for most. The oversized ones, at twice the height, run 7-12 per lb.

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