Double side metallized thin film capacitor core element

Abstract

This invention relates to one double metal film capacitor chip parts, which is characterized by the metal coating layer located on the all organic film medium. The advantages of this invention are the following: the capacitor chip layer gap is the two independent metal layers not capable to form electrical level; under high field, even though the remaining air between two metal layers not capable to generate gas gap discharging to avoid remaining air to arouse local discharging with elding problem.

Description

Technical field [0001] The invention relates to a metallized organic film capacitor, in particular to a double-sided metallized film capacitor core element. Background technique [0002] The core components of the existing single-sided and ordinary double-sided metallized film capacitors are generally composed of two layers of single-sided metallized films or one layer of double-sided metallized films and one layer of non-metallized organic films. into an overlapping structure. figure 1 It is a schematic cross-sectional view of a common single-sided metallized film capacitor core element. (A) is a common type, (B) is an inner three-string shape (odd string), and (C) is an inner two-string shape (even-number string). figure 2 It is a schematic cross-sectional view of a common double-sided metallized film and foil film capacitor core element. Such as figure 2 As shown in A, the double-sided metallized film is interconnected after the core is wound and sprayed with gold, ...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the existing metallized film capacitor core, the invention provides a double-sided metallized film capacitor core element, all organic film media of the metallized film capacitor core are subjected to double-sided metal evaporation treatment

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