gEDA-user: Polarized capacitor question

["Matthew Sager" <matthewsager@xxxxxxxxx>]

I was asked this question the other day and I did not have a good answer to it, and have not been able to find a good answer for it.  So I figured I would see if anyone here knew of a good answer.

 

All tantalum capacitor that I have ever seen marked the anode(+).  On the other hand all electrolytic capacitors that I have seen marked the cathode(-).  Is this an industry standard or is it done this way just because it has always been done this way?

 

Thanks,

Matthew

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