are any of these SMT ceramic caps polarized?

[espruino-discuss3]

Posted at 2015-11-13 by d0773d

Are these SMT ceramic caps polarized?

Links to the ceramic caps that I have:
Multilayer Ceramic Capacitors MLCC - SMD/SMT0805 0.1uF 50volts X8R 10%

Multilayer Ceramic Capacitors MLCC - SMD/SMT0805 1uF 50volts X7R +/-10%

Multilayer Ceramic Capacitors MLCC - SMD/SMT0805 2.2uF 35volts X7R +/-10%

[espruino-discuss3]

Posted at 2015-11-13 by DrAzzy

No.

I've never seen a ceramic cap that was. (but I've seen tants that look kinda like ceramics)

[gfwilliams]

Posted at 2015-11-13 by @gfwilliams

Someone will probably come and correct me, but I'm pretty sure they're not. I've never heard of a need to get MLCCs the correct way around.

The way Wikipedia shows them as being constructed, they're basically entirely symmetrical so it shouldn't be an issue at all.

[espruino-discuss3]

Posted at 2015-11-14 by tage

No, ceramic caps are never polarized. Tantalum caps and electrolytic caps are polarized.