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Is the capacitor destroyed?

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Is the capacitor destroyed?

Postby George1000 » Sun Oct 26, 2014 6:27 pm

On the picture you can see a ceramic capacitor, that is black on its top. Does that mean that it has been destroyed, or can I use it?

Clipboard01.jpg
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George1000
 
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Re: Is the capacitor destroyed?

Postby pebe » Mon Oct 27, 2014 4:42 pm

No, it's not damaged. The dab of paint in that position indicates its temperature coefficient.
Black indicates a value of zero. If it were in lettering it would be shown as NP0.

Zero temperature coefficient means that its value is very stable; so its capacity will not change with changes of temperature.

I hope that helps.
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Re: Is the capacitor destroyed?

Postby George1000 » Mon Oct 27, 2014 6:41 pm

Thank you very much!
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