In fact, it is very common for film capacitors to have noise during use. In some specific working situations, such as cross-line, step-down and other AC occasions, film capacitors may have noise. This is because there are gaps between the films and the alternating electric field It is caused by vibration under the action. Judging from the current technology and statistics, the noise of film capacitors has no obvious impact on the performance of the capacitor. It is generally caused by the manufacturing process. The progress of the process will significantly improve or solve this problem. Here, Shenmao recommends that you must choose qualified and high-quality film capacitor manufacturers
. The film capacitors produced by good manufacturers can be noiseless or low. If the noise is unacceptable, you can choose to replace the film capacitor.
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