Specification Brand : uxcell BulletPoint1 : Product Name: Ferrite Cores; Material: Ferroferric Oxide; Model: T131-26 BulletPoint2 : Inner Diameter: 16mm / 0.63"; Outer Diameter: 33.6mm / 1.32" BulletPoint3 : Height: 11.3mm / 0.44"; Total Size: 11.3 x 33.6mm / 0.44" x 1.32" (H*D) BulletPoint4 : Color: Yellow,White; Net Weight: 502g BulletPoint5 : Size: 10pcs 16 x 33.6 x 11.3mm; Package Content: 10pcs x Ferrite Ring Toroid core iron Color : Yellow White ItemName : uxcell Toroid Core, Ferrite Chokes Ring Iron Powder Inductor Ferrite Rings, Yellow White 10pcs, 16 x 33.6 x 11.3mm ItemPackageDimensions_Height : 18.9 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 12.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electronic-component-ferrites Manufacturer : uxcell Material : ferrite ModelNumber : a18070300ux0017 PartNumber : a18070300ux0017 ProductDescription : This is a ferrite ring, not a magnet. It has no magnetism. Iron powder core is generally stored near signals of place. It has the characteristics of isolating eddy current, low permeability and restraining interference. Used widely in power transformers, current transducers, instrument transformers, inductors, chokes, ballasts, voltage stabilizers and regulators, welding transformers, broad band transformers, filters, etc.