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 (SGD) 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 107ohms 100MHz 15mm Inside Slot
Datasheet
4,523In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 107 Ohms 15 mm 19.2 mm 10 mm 1.15 mm 5.35 mm Bulk 28
Laird Ferrite Cable Cores 187ohms 100MHz 14mm Inside Slot
Datasheet
2,848In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 187 Ohms 14 mm 22.35 mm 19.05 mm 1.5 mm 7.75 mm Bulk 28
Laird Ferrite Cable Cores 170ohms 100MHz 18mm Inside Slot
Datasheet
1,270In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 170 Ohms 18 mm 25 mm 16 mm 0.9 mm 7.7 mm Bulk 28
Laird Ferrite Cable Cores 140ohms 100MHz 22.94mm Inside Slot
Datasheet
3,453In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 140 Ohms 7.75 mm 27.97 mm 22.94 mm 1.5 mm 14.66 mm Bulk 28
Laird Ferrite Cable Cores 192ohms 100MHz 23mm Inside Slot
Datasheet
2,745In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 192 Ohms 23 mm 28 mm 20 mm 0.8 mm 5.8 mm Bulk 28
Laird Ferrite Cable Cores 191ohms 100MHz 23.5mm Inside Slot
Datasheet
1,220In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 191 Ohms 23.5 mm 28.58 mm 24.89 mm 1.7 mm 7.7 mm Bulk 28
Laird Ferrite Cable Cores 150ohms 100MHz 23.5mm Inside Slot
Datasheet
709In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 150 Ohms 23.5 mm 28.58 mm 17 mm 1.7 mm 7.7 mm Bulk 28
Laird Ferrite Cable Cores 128ohms 100MHz 24.77mm Inside Slot
Datasheet
1,191In Stock
4,200Expected 3/11/2026
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 128 Ohms 24.77 mm 31.12 mm 13.3 mm 1.91 mm 8.26 mm Bulk 28
Laird Ferrite Cable Cores 162ohms 100MHz 23mm Inside Slot
Datasheet
500In Stock
3,000Expected 17/11/2026
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 Ferrite Cable Cores 350ohms 100MHz 25.1mm Inside Slot
Datasheet
376In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 350 Ohms 25.1 mm 32 mm 35 mm 0.9 mm 7.75 mm Bulk 28
Laird Ferrite Cable Cores 393ohms 100MHz 26mm Inside Slot
Datasheet
305In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 393 Ohms 26 mm 36 mm 40 mm 0.75 mm 11 mm 28
Laird Ferrite Cable Cores 130ohms 100MHz 29.58mm Inside Slot
Datasheet
711In Stock
2,560Expected 13/10/2026
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 130 Ohms 29.58 mm 36.83 mm 10 mm 0.75 mm 7.75 mm Bulk 28
Laird Ferrite Cable Cores Rib,Sld,BB,CLNO EMI Ferrite Core
Datasheet
4,138In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 110 Ohms 34.5 mm 37.5 mm 13 mm 1 mm 4 mm Bulk 28
Laird Ferrite Cable Cores 235ohms 100MHz 26.8mm Inside Slot
Datasheet
809In Stock
784Expected 9/11/2026
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 235 Ohms 26.8 mm 38.35 mm 25.4 mm 1.91 mm 12.09 mm Bulk 28
Laird Ferrite Cable Cores 84ohms 100MHz 37.5mm Inside Slot
Datasheet
300In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 84 Ohms 37.5 mm 42 mm 5 mm 0.7 mm 5 mm Bulk 28
Laird Ferrite Cable Cores 260ohms 100MHz 34.42mm Inside Slot
Datasheet
114In Stock
504Expected 22/9/2026
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 Ferrite Cable Cores 298ohms 100MHz 52.07mm Inside Slot
Datasheet
101In 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 Ferrite Cable Cores 170ohms 100MHz 52.07mm Inside Slot
Datasheet
490In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 170 Ohms 52.07 mm 63.5 mm 12.98 mm 1.68 mm 12.7 mm Bulk 28
Laird Ferrite Cable Cores FCCRib,Sld,BB.CLNO 47.70X39.00X31.00
Datasheet
33In Stock
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 261 Ohms 39 mm 47.7 mm 31 mm 3 mm 15 mm Bulk 28
Laird Ferrite Cable Cores 127ohms 100MHz 44mm Inside Slot
Datasheet
425In Stock
1,344Expected 17/11/2026
Min.: 1
Mult.: 1

28R Flat Ribbon Cable Cores Solid 127 Ohms 44 mm 49.61 mm 12 mm 1.45 mm 7.62 mm Bulk 28
Laird Ferrite Cable Cores 170ohms 100MHz 40.6mm Inside Slot
Datasheet
608In 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 Ferrite Cable Cores 150ohms 100MHz 12.5mm Inside Slot / SOLD AS SINGLE SIDES. ORDER 2 TO FORM A SET
Datasheet
907In Stock
10,260Expected 22/9/2026
Min.: 1
Mult.: 1

28S Flat Ribbon Cable Cores Split 60 Ohms 12.5 mm 17.02 mm 14.99 mm 0.51 mm 3.4 mm Bulk 28
Laird Ferrite Cable Cores 280ohm 100MHz 52.07mm Inside Slot / SOLD AS SINGLE SIDES. ORDER 2 TO FORM A SET
Datasheet
452In Stock
Min.: 1
Mult.: 1

28S Flat Ribbon Cable Cores Split 280 Ohms 52.07 mm 63.5 mm 28.58 mm 0.84 mm 6.35 mm Bulk 28
Laird Ferrite Cable Cores 280ohm 100MHz 65.28mm Inside Slot / SOLD AS SINGLE SIDES. ORDER 2 TO FORM A SET
Datasheet
175In Stock
Min.: 1
Mult.: 1

28S Flat Ribbon Cable Cores Split 280 Ohms 65.28 mm 76.2 mm 28.58 mm 0.84 mm 6.35 mm Bulk 28
Laird Ferrite Cable Cores 250ohm 100MHz 34.42mm Inside Slot / SOLD AS SINGLE SIDES. ORDER 2 TO FORM A SET
Datasheet
345In Stock
Min.: 1
Mult.: 1

28S Flat Ribbon Cable Cores Split 250 Ohms 34.42 mm 45.09 mm 28.58 mm 0.84 mm 6.35 mm Bulk 28