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CBB capacitor structure
Dec 19, 2018

non-polar capacitor with negative temperature coefficient made of non-polar polypropylene film as the medium. There are two types of non-sealing (commonly used in colored resin paint packaging) and sealing (with metal or plastic shell packaging).

CBB metallized film metal coating is the metal by the method of vacuum evaporation deposition adhesion on the film, the thickness of a few dozen nanometers, when the presence of defects and impurities on medium, local electric breakdown may occur, electric breakdown of arc discharge the energy made by electric breakdown point nearby the metal coating evaporation, breakdown point with the surrounding plates and capacitor electrical properties can be back to normal.

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