It is a reactive low-pass filter, The filtering effect is obvious, Stable performance Using materials with guaranteed quality. This is widely used in measuring inst ents, building automation, machinery equipment, automation systems, calculator office equipment, servo system inverter equipment, frequency conversion equipment, lighting, information communication equipment, UPS switch power supply, automotive electronics and other equipment The power supply filter is a reactive low-pass filter, which is installed at the power inlet of electronic equipment. It can not only suppress the noise interference mitted through the power line of the power grid, but also inhibit the high-frequency interference signals generated by the electronic equipment itself from being connected to the power grid, endangering other electronic equipment. Attention: The selection of filter shall consider its working voltage, working current and withstand voltage value filter shall be installed at the power inlet to reduce radiated interference It is better to select double glue line as the connection line of filter, which can some high-frequency interference signals The input and output lines of the filter must not be parallel. A certain distance must be extended to the function of the filter The E point of the filter must be in good contact with the chassis shell, and the grounding wire must be connected Color: Blue Material: PCB+Components Package Contents: 1* Power Filter Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.