Ferrite block, ferrite core, ferrite ring, ferrite choke, EMI suppression filter

 BLM Series 0603 470 Ohm 1000 mA 0.2 Ohm DCR Surface Mount Ferrite Bead

https://www.futureelectronics.com/p/passives--filters--ferrite-beads/blm18pg471sn1d-murata-6291256