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Seven common failure modes of capacitors(2)

Views: 2     Author: Site Editor     Publish Time: 2018-02-28      Origin: Site

Main failure Mechanism of Capacitor Open Circuit.

(1) The "self-healing" occurs in the lead position, making the electrode  insulates from the lead wire;

(2) The contact surface of the outlet line and the electrode is oxidized, resulting in low level open circuit;

(3) Poor contact between the lead line and the electrode;

(4) Corrosion fracture of anodic elicited foil of electrolytic capacitor;

(5) Electrolyte drying or freezing on the liquid table;

(6) Dielectric instantaneous open circuits under mechanical stress.


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