uxcell 22mm x 14mm x 8mm Power Transformer Ferrite Toroid Cores Green 10 Pcs: Electronic Component Ferrites: Amazon.com: Industrial & Scientific
uxcell Toroid Core, Ferrite Chokes Ring Iron Powder Inductor Ferrite Rings, Yellow White 35pcs, 8.2 x 15.5 x 6.2mm: Amazon.com: Industrial & Scientific
uxcell a12022900ux0337 10 Piece Toroid Ring Ferrite Cores 22.5 mm x 13.5 mm x 10 mm: Electronic Component Ferrites: Amazon.com: Industrial & Scientific
uxcell Toroid Core, Ferrite Chokes Ring Iron Powder Inductor Ferrite Rings, Yellow White 13pcs, 8.2 x 15.5 x 6.2mm: Amazon.com: Industrial & Scientific
Amazon.com: Fielect 10Pcs Toroid Core Ferrite Choke Iron Powder Inductor Ferrite Ring 9.4x17.5x4.83mm,Yellow and White : Office Products
Amazon.com: AEcreative T200-2 ferrite Iron Powder core toroid for Amateur ham HF Band balun UNUN Tuner Type 2 red 1.5KW : Electronics
X-DREE 2pcs 17mm x 11mm x 27mm Tube Toroids Ferrite Ring Core for Inductor(2 pezzi 17 mn x 11 mn x 27 mn Toroidi con nucleo in ferrite per induttore - - Amazon.com
uxcell Toroid Core, Ferrite Chokes Ring Iron Powder Inductor Ferrite Rings, Yellow White 50pcs, 8.2 x 15.5 x 6.2mm: Amazon.com: Industrial & Scientific
Fielect 10 Pcs Toroid Core Ferrite Choke Iron Powder Inductor Ferrite Ring 24.1x46.7x18mm,Light Green and Blue: Amazon.com: Industrial & Scientific