The cause of the noise generated by the film capacitor

The noise of the film capacitor may be caused by noise in some specific working places, such as over-current, step-down, etc., because of the gap between the films, which is generated by the vibration of the alternating electric field. Based on current technology and statistics, the noise of the film capacitor has no significant effect on the performance of the capacitor. It is generally caused by manufacturing processes, and advances in the process can significantly improve or solve this problem.