Shenmao Capacitors specialized in aluminum electrolytic capacitors from 1970

The relationship between metal film capacitor loss and frequency|Focus on mid-to-high-end brand capacitor manufacturers

by:Shenmao     2021-03-27
Metal film capacitors will have loss during use, and the size of the year is affected by many factors. Today, let me talk about the relationship between the loss of the metal film capacitor and the frequency. The so-called loss refers to the energy lost by the capacitor due to heat generated by the capacitor under the action of the electric field. The relationship between the loss of the metal film capacitor and the frequency is to talk about the polarity of the metal film capacitor medium. The so-called polarity of the metal film capacitor medium refers to the different ability of atoms in the molecules of the capacitor medium to attract electrons, so that different atoms in the molecule show different electrical properties. If the charge centers in the dielectric molecules coincide, the capacitor dielectric is non-polar; if the centers do not coincide, the capacitor dielectric is polar. If the dielectric of the metal film capacitor is polar, the loss of the metal film capacitor is mainly determined by the medium in the low and intermediate frequency range of the capacitor, and the loss in the high frequency range is mainly caused by the metal part. If the medium used in the metal film capacitor is non-polar, the loss of the metal film capacitor in the low frequency range is mainly caused by the conductance loss of the medium, and at high frequency it is mainly caused by the metal part. For more details, please call the national toll-free hotline: 4006299138.
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