EMI Cores

KEMET EMI Cores provide high-frequency noise suppression in electronic circuits. There are two ferrite material options for KEMET EMI Cores, namely Nickel-Zinc (NiZn) and Manganese Zinc (MnZn). The NiZn core material is typically effective for theMHz band range (FM-band frequencies), whereas the MnZn core material is typically effective for the kHz band range (AM-band frequencies). The MnZn core material offers a lower resistance compared to the NiZn and hence adequate insulation is required before use (recommended to measure the actual frequency-range effectiveness in the target application). The effective frequency range varies depending on core shape, size, and the number of turns.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Inside Diameter
Outside Diameter
Inside Length
Outside Length
Outside Width
Inside Height
Outside Height
Packaging
Core Material
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 1mm
Datasheet
52,581In Stock
Min.: 1
Mult.: 1

B-20L Round Cable Cores Solid 1 mm 2.5 mm 1.2 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 56x2mm Split Core Ni-Zn for Flat Cable
Datasheet
366In Stock
Min.: 1
Mult.: 1

ESD-FPD-1 Flat Ribbon Cable Cores Split 56 mm 68 mm 12.7 mm 2 mm 10 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 0.8mm
Datasheet
28,395In Stock
Min.: 1
Mult.: 1

B-20L Round Cable Cores Solid 0.8 mm 3.4 mm 4.4 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 14x1mm Bare Ni-Zn for Flat Cable
Datasheet
1,145In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 14 mm 18 mm 8 mm 1 mm 5 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores Solid Core Flat 68.6mm Cable
Datasheet
899In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 68.6 mm 80 mm 12.7 mm 1.9 mm 12 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 4.8x2.4mm 300MHz Ni-Zn Bare
Datasheet
33,375In Stock
Min.: 1
Mult.: 1

B-20L Round Cable Cores Solid 2.4 mm 4.8 mm 4.8 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 11x8mm Bare Ni-Zn for Flat Cable
Datasheet
1,336In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 11 mm 14.5 mm 3 mm 0.8 mm 2.75 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores 48.3x2mm Split Core Ni-Zn for Flat Cable
Datasheet
169In Stock
Min.: 1
Mult.: 1

ESD-FPD-1 Flat Ribbon Cable Cores Split 48.3 mm 60 mm 12.7 mm 2 mm 10 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores 11x8mm Bare Ni-Zn for Flat Cable
Datasheet
4,318In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 11 mm 14.5 mm 5 mm 0.8 mm 2.75 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 1.6mm
Datasheet
21,708In Stock
30,000Expected 23/07/2026
Min.: 1
Mult.: 1

B-20L Round Cable Cores Solid 1.6 mm 4.4 mm 7 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 2.4mm
Datasheet
26,431In Stock
40,000Expected 19/11/2026
Min.: 1
Mult.: 1

B-20L Round Cable Cores Solid 2.4 mm 4.8 mm 4.8 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 4.8mm
Datasheet
7,243In Stock
Min.: 1
Mult.: 1

B-20L Round Cable Cores Solid 4.8 mm 9.7 mm 4.2 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores Split Core Flat 25.4mm Cable
Datasheet
1,066In Stock
Min.: 1
Mult.: 1

ESD-FPD Flat Ribbon Cable Cores Split 25.4 mm 37 mm 12.7 mm 2.6 mm 10 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores Split Core Flat 25.4mm Cable
Datasheet
517In Stock
800Expected 02/11/2026
Min.: 1
Mult.: 1

ESD-FPD-1 Flat Ribbon Cable Cores Split 25.4 mm 37 mm 12.7 mm 2.6 mm 10 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 11.5x0.85mm Bare Ni-Zn for Flat Cable
Datasheet
650In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 11.5 mm 16 mm 12 mm 0.85 mm 4.5 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores Split Core Flat 48.3mm Cable
Datasheet
251In Stock
Min.: 1
Mult.: 1

ESD-FPD Flat Ribbon Cable Cores Split 48.3 mm 60 mm 12.7 mm 2 mm 10 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 68.6x2mm Split Core Ni-Zn for Flat Cable
Datasheet
166In Stock
Min.: 1
Mult.: 1

ESD-FPD Flat Ribbon Cable Cores Split 68.6 mm 80 mm 12.7 mm 2 mm 10 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores Solid Core Flat 18.8mm Cable
Datasheet
655In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 18.8 mm 23.8 mm 15 mm 1.1 mm 6.3 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 11x8mm Bare Ni-Zn for Flat Cable
Datasheet
2,441In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 11 mm 14.5 mm 10 mm 0.8 mm 2.75 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores 11x8mm Bare Ni-Zn for Flat Cable
Datasheet
230In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 11 mm 14.5 mm 8 mm 0.8 mm 2.75 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores Solid Core Flat 23.5mm Cable
Datasheet
942In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 23.5 mm 28 mm 14.6 mm 1.5 mm 7.7 mm Bulk Nickel Zinc
KEMET Ferrite Cable Cores 25.4x1.9mm Bare Ni-Zn for Flat Cable
Datasheet
378In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 25.4 mm 37 mm 12.7 mm 1.9 mm 12 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores 14x1mm Bare Ni-Zn for Flat Cable
Datasheet
1,043In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 14 mm 18 mm 12 mm 1 mm 5 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores 15x0.7mm Bare Ni-Zn for Flat Cable
Datasheet
566In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 15 mm 18.7 mm 12 mm 0.7 mm 2.75 mm Tray Nickel Zinc
KEMET Ferrite Cable Cores 15x0.7mm Bare Ni-Zn for Flat Cable
Datasheet
1,316In Stock
Min.: 1
Mult.: 1

ESD-FPL Flat Ribbon Cable Cores Solid 15 mm 18.7 mm 3 mm 0.7 mm 2.75 mm Tray Nickel Zinc