Ferrite beads, common mode choke coil, ferrite bead circuit

 Full EMI filter selection from several manufacturers that can be used to design an RFI EMI filter, DC EMI filter, AC EMI filter, 3 phase EMI filter, Ethernet EMI filter, EMI air filter, EMI line filter, EMI suppression filter, EMI power filter, EMI noise 

https://www.futureelectronics.com/c/passives/filters--ferrite-beads