Ferrite bead type,s led lights, ferrite choke, common mode choke

 BLM Series 0603 600 Ohm 1.3 A 0.15 Ohm DCR Surface Mount Ferrite Bead

https://www.futureelectronics.com/p/passives--filters--ferrite-beads/blm18kg601sn1d-murata-8046173