Why Ceremic cap does not have polarity while Electrolyte cap have ?

Papabravo

Joined Feb 24, 2006
16,938
Hello ,
Why Ceremic cap does not have polarity while Electrolyte cap have.

Blank mind question.

Regards,
It is because of the way they are constructed. A non polarized capacitor is constructed from metal plates (any shape - square round, rectangular) with a solid dielectric material between them. The solid dielectric material between the plates has no polarity associated with it. In an electrolytic capacitor it is an oxide layer and the polarized electrolyte that makes the distinction. They will explode if you place enough reverse voltage on them. It creates heat and pressure.

Check out this article on electrolytic construction details.
https://en.wikipedia.org/wiki/Electrolytic_capacitor
 
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Thread Starter

mishra87

Joined Jan 17, 2016
932
It is because of the way they are constructed. A non polarized capacitor is constructed from metal plates (any shape - square round, rectangular) with a solid dielectric material between them. The solid dielectric material between the plates has no polarity associated with it. In an electrolytic capacitor it is an oxide layer and the polarized electrolyte that makes the distinction. They will explode if you place enough reverse voltage on them. It creates heat and pressure.

Check out this article on electrolytic construction details.
https://en.wikipedia.org/wiki/Electrolytic_capacitor
Thanks for this beautiful information.
 
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