28x Ferrite Cable Cores

Laird 28x Ferrite Cable Cores come in four variants: split/snap-on (28A), cylindrical (28B), solid core (28R), and split core (28S). The 28x ferrite cable cores are constructed from ultra-thin mixtures of iron, nickel, and zinc oxides. They are available in cylinder, ribbon, split-flat, and clamp-on shapes. Laird 28x ferrite cable cores provide excellent differential and common mode EMI suppression on flat cable assemblies.

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Impedance
Inside Diameter
Outside Diameter
Inside Length
Outside Length
Outside Width
Inside Height
Outside Height
Packaging
Core Material
Laird Ferrite Cable Cores 125ohms 100MHz 5.08mm Inside Dia.
Datasheet
3,337In Stock
60,000On Order
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 125 Ohms 5.08 mm 9.53 mm 10.41 mm Bulk 28
Laird Ferrite Cable Cores 322ohms 100MHz 3.8mm Inside Dia.
Datasheet
2,656In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 322 Ohms 3.8 mm 9.75 mm 25 mm Bulk 28
Laird Ferrite Cable Cores 211 ohms 100MHz 5.6 mm Inside Dia.
Datasheet
1,361In Stock
4,225Expected 9/28/2026
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 211 Ohms 5.6 mm 12 mm 20 mm Bulk 28
Laird Ferrite Cable Cores 272ohms 100MHz 3.6mm Inside Dia.
Datasheet
3,446In Stock
Min.: 1
Mult.: 1

28B Flat Ribbon Cable Cores Solid 3.6 mm 20 mm Bulk 28
Laird Ferrite Cable Cores 195ohms 100MHz 3.55mm Inside Dia.
Datasheet
1,563In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 195 Ohms 3.55 mm 12 mm 10 mm Bulk 28
Laird Ferrite Cable Cores 424ohms 100MHz 3.55mm Inside Dia.
Datasheet
2,297In Stock
10,608On Order
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 424 Ohms 3.55 mm 12 mm 25 mm Bulk 28
Laird Ferrite Cable Cores Rnd,Sld,BB,CSNO Solid
Datasheet
1,508In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 245 Ohms 4.5 mm 12 mm 20 mm Bulk 28
Laird Ferrite Cable Cores 83ohms 100MHz 7.92mm Inside Dia.
Datasheet
7,183In Stock
9,090Expected 10/26/2026
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 83 Ohms 7.92 mm 12.7 mm 6.35 mm Bulk 28
Laird Ferrite Cable Cores 118ohms 100MHz 7.92mm Inside Dia.
Datasheet
7,998In Stock
15,120Expected 11/16/2026
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 118 Ohms 7.92 mm 12.7 mm 12.7 mm Bulk 28
Laird Ferrite Cable Cores 145ohms 100MHz 6.35mm Inside Dia.
Datasheet
6In Stock
4,320Expected 10/13/2026
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 145 Ohms 6.35 mm 14.27 mm 10.16 mm Bulk 28
Laird Ferrite Cable Cores 82ohms 100MHz 8.51mm Inside Dia.
Datasheet
968In Stock
2,366Expected 8/31/2026
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 82 Ohms 8.51 mm 14.48 mm 5.51 mm Bulk 28
Laird Ferrite Cable Cores 310ohms 100MHz 7mm Inside Dia.
Datasheet
974In Stock
6,160Expected 9/15/2026
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 310 Ohms 7 mm 15.65 mm 28.58 mm Bulk 28
Laird Ferrite Cable Cores 163ohms 100MHz 7.87mm Inside Dia.
Datasheet
3,486In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 163 Ohms 7.87 mm 15.88 mm 14.27 mm Bulk 28
Laird Ferrite Cable Cores 85ohms 100MHz 13.72mm Inside Dia.
Datasheet
1,641In Stock
5,544On Order
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 85 Ohms 13.72 mm 22.1 mm 6.35 mm Bulk 28
Laird Ferrite Cable Cores 307ohms 100MHz 13.77mm Inside Dia.
Datasheet
600In Stock
4,440On Order
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 307 Ohms 13.77 mm 28.5 mm 28.58 mm Bulk 28
Laird Ferrite Cable Cores 210ohms 100MHz 13.77mm Inside Dia.
Datasheet
325In Stock
2,340On Order
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 210 Ohms 13.77 mm 28.5 mm 20 mm Bulk 28
Laird Ferrite Cable Cores 114ohms 100MHz 19mm Inside Dia.
Datasheet
751In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 114 Ohms 19 mm 29.01 mm 13.84 mm Bulk 28
Laird Ferrite Cable Cores 140ohms 100MHz 19.05mm Inside Dia.
Datasheet
180In Stock
2,520On Order
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 140 Ohms 19.05 mm 31.12 mm 15.93 mm Bulk 28
Laird Ferrite Cable Cores 93ohms 100MHz 19.05mm Inside Dia.
Datasheet
395In Stock
1,350Expected 10/8/2026
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 93 Ohms 19.05 mm 31.12 mm 7.92 mm Bulk 28
Laird Ferrite Cable Cores 102ohms 100MHz 6mm Inside Slot
Datasheet
9,875In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 102 Ohms 6 mm 8 mm 12 mm 0.7 mm 2.7 mm Bulk 28
Laird Ferrite Cable Cores 104ohms 100MHz 8mm Inside Slot
Datasheet
4,194In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 104 Ohms 8 mm 11.5 mm 12 mm 0.7 mm 3 mm Bulk 28
Laird Ferrite Cable Cores 182ohms 100MHz 8mm Inside Slot
Datasheet
3,032In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 182 Ohms 8 mm 11.5 mm 20 mm 0.7 mm 3 mm Bulk 28
Laird Ferrite Cable Cores 190ohms 100MHz 8mm Inside Slot
Datasheet
3,961In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 190 Ohms 8 mm 12.2 mm 8 mm 1 mm 5.5 mm Bulk 28
Laird Ferrite Cable Cores 227ohms 100MHz 10mm Inside Slot
Datasheet
544In Stock
7,920On Order
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 227 Ohms 10 mm 15.01 mm 22.86 mm 1.5 mm 7.49 mm Bulk 28
Laird Ferrite Cable Cores 98ohms 100MHz 13.6mm Inside Slot
Datasheet
5,505In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 245 Ohms 13.6 mm 15.6 mm 12 mm 0.7 mm 2.8 mm Bulk 28