can you identify this capacitor ...????

[glennjarrett]

bought a couple of caps off the bay they are supposed to be wet tants but they have no + markings and both end caps are red non polarised ??
bought them for the feedback of a hacker nap can anyone confirm these will be ok to use .

An externally hosted image should be here but it was not working when we last tested it.

 

[ishiru]

what about the sides?..the metal one should be the - .

 

[glennjarrett]

the caps have red bungs at each end

 

[ishiru]

i'm out of idea

what if you measure the continuity between the lead w/ the metal body?..but nou need to scratch the plastic insulation first.just a little scratch to let the probe touch the body 🙂

 

[tommy1000]

bought a couple of caps off the bay they are supposed to be wet tants but they have no + markings and both end caps are red non polarised ??
bought them for the feedback of a hacker nap can anyone confirm these will be ok to use .[/IMG]

Hi Glenn,

If there is no + marking on this tantalum capacitor it is probably a military grade wet slug tantalum capacitor non-polar eteched foil type.

Hope this helps.

 

[glennjarrett]

thanks tommy any good for feedback ?

 

[tommy1000]

thanks tommy any good for feedback ?

Difficult to answer. You need to try to see if you like the result in your application. There is a thread about it here:
http://www.diyaudio.com/forums/parts/56015-tantalum-capacitors-signal-path.html

 

[glennjarrett]

just put them in with some 10uf smr film caps on the input sounds good and can only get better 😀

An externally hosted image should be here but it was not working when we last tested it.

 

[VibroKing$]

maybe a black dot indicates the positive?
perhaps to be sure you should open one

 

[VibroKing$]

if it does not violate the rules would add tis link
these capacitors seem very similar
ebay : 2pcs U.K STC / ITT 100uF 40V Acura Military Silver Wet Tantalum Capacitor CA51

 

[sreten]

Hi,

They look very non-polar, i.e. internally two 200uF back to back.

rgds, sreten.

 

[ishiru]

yes.it's the same

and according to the ebay pic, there's + markings on the left of letters..so the orientation is left to right for input/output caps..

 

[glennjarrett]

there is no continuity between leads and metal body so it looks like a np wet tant ?

 

[ishiru]

i have a mundorf bp and one of the leg was welded into the metal case

but if there's no "+" or any sign about the polarity, it should be np/bp 🙂

 

[VibroKing$]

N.p. type by back to back connection (also electrolytics)
I think maybe suffering from progressive degradation

 

[ticknpop]

It looks like tantalum cap - possibly a bipolar tantalum if there is no positive end you can identify . Chosen for low leakage. ......