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Method for judging capacitor quality

Views: 2     Author: Site Editor     Publish Time: 2019-10-07      Origin: Site

Capacitor is a kind of component that can store electric charge and is one of the most commonly used electronic components. It is widely classified, including film capacitors, CBB capacitors, safety capacitors, etc., and is widely used in various fields. Under normal circumstances, judging the quality of the capacitor, the multimeter's R × 10, R × 100, R × 1K block will be used for testing and judgment. The red and black test leads are respectively connected to the negative pole of the capacitor (the capacitor needs to be discharged before each test), and the yaw of the hands is used to judge the quality of the capacitor. If the hands are swung to the right quickly and then slowly retracted to the left, the capacitor is generally good. If the needle does not turn after swinging, the capacitor has broken down. If the hands are swayed back to a certain position and then stopped, the capacitor has leaked. If the hands are not able to swing, the capacitor electrolyte has dried up and lost capacity.


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