28x Ferrite Cable Cores

Laird Technologies 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 Technologies 28x ferrite cable cores provide excellent differential and common mode EMI suppression on flat cable assemblies.

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Description Datasheet Availability Pricing (CAD) 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 Technologies Ferrite Cable Cores 230ohms 100MHz 26.67mm Inside Slot
Datasheet
621In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 230 Ohms 26.67 mm 38.1 mm 25.4 mm 1.91 mm 12.07 mm Bulk 28
Laird Technologies Ferrite Cable Cores 260ohms 100MHz 34.42mm Inside Slot
Datasheet
631In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 260 Ohms 34.42 mm 45.08 mm 28.58 mm 1.52 mm 12.45 mm Bulk 28
Laird Technologies Ferrite Cable Cores 170ohms 100MHz 40.6mm Inside Slot
Datasheet
880In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 170 Ohms 40.6 mm 50.8 mm 15.24 mm 2.03 mm 12.19 mm Bulk 28
Laird Technologies Ferrite Cable Cores 93ohms 100MHz 19.05mm Inside Dia.
Datasheet
1,314In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 93 Ohms 19.05 mm 31.12 mm 7.92 mm Bulk 28
Laird Technologies Ferrite Cable Cores 298ohms 100MHz 52.07mm Inside Slot
Datasheet
351In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 298 Ohms 52.07 mm 63.5 mm 28.58 mm 1.68 mm 12.7 mm Bulk 28
Laird Technologies Ferrite Cable Cores 162ohms 100MHz 23mm Inside Slot
Datasheet
2,400In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 162 Ohms 23 mm 31.4 mm 19 mm 1.5 mm 7.75 mm Bulk 28
Laird Technologies Ferrite Cable Cores CRib,Sld,BB No End Clip / SOLD AS SINGLE SIDES. ORDER 2 TO FORM A SET
Datasheet
1,364In Stock
Min.: 1
Mult.: 1

28S Flat Ribbon Cable Cores Split 250 Ohms 26.67 mm 38.1 mm 25.4 mm 0.84 mm 6.35 mm Bulk 28
Laird Technologies Ferrite Cable Cores 150 ohms 100MHz 8.3 mm Inside Slot
Datasheet
8,640In Stock
Min.: 1
Mult.: 1

28R Bulk
Laird Technologies Ferrite Cable Cores 245ohms 100MHz 8.76mm Inside Dia.
Datasheet
32,593In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 245 Ohms 8.76 mm 17.07 mm 25.4 mm Bulk 28
Laird Technologies Ferrite Cable Cores 276ohms 100MHz 12.83mm Inside Dia.
Datasheet
16,497In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 276 Ohms 12.83 mm 25.91 mm 28.58 mm Bulk 28
Laird Technologies Ferrite Cable Cores 182ohms 100MHz 3.18mm Inside Dia.
Datasheet
12,872In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 182 Ohms 3.18 mm 6.35 mm 15.88 mm Bulk 28
Laird Technologies Ferrite Cable Cores 146ohms 100MHz 3.8mm Inside Dia.
Datasheet
15,614In Stock
27,104Expected 2026-04-20
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 146 Ohms 3.8 mm 7 mm 13.5 mm Bulk 28
Laird Technologies Ferrite Cable Cores 205ohms 100MHz 4.75mm Inside Dia.
Datasheet
13,283In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 205 Ohms 4.75 mm 9 mm 20 mm Bulk 28
Laird Technologies Ferrite Cable Cores 194ohms 100MHz 5.08mm Inside Dia.
Datasheet
31,567In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 194 Ohms 5.08 mm 9.53 mm 19.05 mm Bulk 28
Laird Technologies Ferrite Cable Cores 118ohms 100MHz 7.92mm Inside Dia.
Datasheet
13,218In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 118 Ohms 7.92 mm 12.7 mm 12.7 mm Bulk 28
Laird Technologies Ferrite Cable Cores 145ohms 100MHz 6.35mm Inside Dia.
Datasheet
7,588In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 145 Ohms 6.35 mm 14.27 mm 10.16 mm Bulk 28
Laird Technologies Ferrite Cable Cores 184ohms 100MHz 6.35mm Inside Dia.
Datasheet
18,124In Stock
25,410On Order
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 184 Ohms 6.35 mm 14.27 mm 13.46 mm Bulk 28
Laird Technologies Ferrite Cable Cores 317ohms 100MHz 6.35mm Inside Dia.
Datasheet
16,296In Stock
5,280Expected 2026-02-17
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 317 Ohms 6.35 mm 14.27 mm 25.58 mm Bulk 28
Laird Technologies Ferrite Cable Cores 270ohms 100MHz 6.35mm Inside Dia.
Datasheet
10,585In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 270 Ohms 6.35 mm 14.27 mm 28.32 mm Bulk 28
Laird Technologies Ferrite Cable Cores 173ohms 100MHz 7.26mm Inside Dia.
Datasheet
19,111In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 173 Ohms 7.26 mm 14.27 mm 15.24 mm Bulk 28
Laird Technologies Ferrite Cable Cores 217ohms 100MHz 7.26mm Inside Dia.
Datasheet
4,600In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 217 Ohms 7.26 mm 14.27 mm 20.3 mm Bulk 28
Laird Technologies Ferrite Cable Cores 287ohms 100MHz 7.26mm Inside Dia.
Datasheet
14,077In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 287 Ohms 7.26 mm 14.27 mm 28.57 mm Bulk 28
Laird Technologies Ferrite Cable Cores 653ohms 100MHz 4.5mm Inside Dia.
Datasheet
4,095In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 653 Ohms 4.5 mm 15 mm 40 mm Bulk 28
Laird Technologies Ferrite Cable Cores 280ohms 100MHz 7.87mm Inside Dia.
Datasheet
23,875In Stock
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 280 Ohms 7.87 mm 15.88 mm 28.58 mm Bulk 28
Laird Technologies Ferrite Cable Cores 130ohms 100MHz 9.25mm Inside Dia.
Datasheet
6,221In Stock
6,160Expected 2026-03-24
Min.: 1
Mult.: 1

28B Round Cable Cores Solid 130 Ohms 9.25 mm 16 mm 12 mm Bulk 28