Power supply EMI filter is a kind of reactance-type low-pass filter, installed at the power supply input of electronic equipment.It can inhibit noise transmitted through grid power cable, and can inhibit high-frequency interference signals generated by the electronic device itself.High quality components obvious filtering effect.EMI has become a must have device installed in electronic equipment.Widely used for measuring instruments, automation, machinery, elevator lifting equipment, automated system, calculator inverter office equipment, servo system inverter equipment, frequency conversion equipment, lighting equipment, information and communication equipment, UPS power supply, automotive electronics, etc.Material: PC+metalcolour: as shownPackage Contents:1 x Filter BoardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.