Features: 13 STAGE FILTERING: The first part is the first stage LC filtering, the second part is common mode EM filtering, and the third part is the second stage LC filtering. 2LC FILTERING: Commonly known as passive filter, composed of inductance and capacitance, can filter out harmonics in the power supply once or multiple times and purify the DC power supply. 3COMMON MODE FILTERING: Can effectively suppress the problem of rapid transient group pulse interference with a repetition frequency of several thousand hertz in certain user sites. 4WIDE USAGE: This board is suitable for eliminating electromagnetic interference in DC power supplies, such as automobiles, motorcycles, and other circuits with strong electromagnetic interference. 57.62 SOCKET: The EMI power filter board adopts dual wire 7.62 terminal input and output, easy to install and use. Package included: 1 x DC EMI Power Filter