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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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Part #

Ferrite Cable Cores Split Core Flat 25.4mm Cable

ESD-FPD-16
KEMET
1: $6.62
2,038In Stock

Mfr. Part No.
ESD-FPD-16

Mouser Part No
80-ESD-FPD-16

KEMET

Ferrite Cable Cores Split Core Flat 25.4mm Cable

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Datasheet

2,038In Stock

$6.62

$3.30

$2.84

$2.83

Quote

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Split

Tube Core

- 25 C

+ 85 C

Bulk

Ferrite Cable Cores Solid Core Flat 68.6mm Cable

ESD-FPL-50
KEMET
1: $5.09
910In Stock

Mfr. Part No.
ESD-FPL-50

Mouser Part No
80-ESD-FPL-50

KEMET

Ferrite Cable Cores Solid Core Flat 68.6mm Cable

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Datasheet

910In Stock

$5.09

$2.57

$2.09

$2.08

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Tube Core

- 25 C

+ 85 C

Bulk

Ferrite Cable Cores 56x2mm Split Core Ni-Zn for Flat Cable

ESD-FPD-40-1
KEMET
1: $9.34
366In Stock

Mfr. Part No.
ESD-FPD-40-1

Mouser Part No
80-ESD-FPD-40-1

KEMET

Ferrite Cable Cores 56x2mm Split Core Ni-Zn for Flat Cable

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Datasheet

366In Stock

$9.34

$4.25

$4.24

Quote

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Split

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Clamp On Cores 16.5x6x21mm Ni-Zn Snap-on

ESD-SR-100G
KEMET
1: $2.31
1,720In Stock

Mfr. Part No.
ESD-SR-100G

Mouser Part No
80-ESD-SR-100G

KEMET

Ferrite Clamp On Cores 16.5x6x21mm Ni-Zn Snap-on

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Datasheet

1,720In Stock

$2.31

$1.08

$0.854

$0.827

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Snap On Cores

Cable Single

- 25 C

+ 85 C

Tray

Ferrite Cable Cores Ferrite Bead Core EMI 0.8mm

B-20L-34
KEMET
1: $0.33
28,560In Stock

Mfr. Part No.
B-20L-34

Mouser Part No
80-B-20L-34

KEMET

Ferrite Cable Cores Ferrite Bead Core EMI 0.8mm

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Datasheet

28,560In Stock

$0.33

$0.181

$0.137

$0.105

View

Min.: 1
Mult.: 1

Ferrite Cable Cores

Round Cable Cores Solid

Bead Core

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 6.2mm

ESD-R-14A
KEMET
1: $0.82
6,199In Stock

Mfr. Part No.
ESD-R-14A

Mouser Part No
80-ESD-R-14A

KEMET

Ferrite Toroids / Ferrite Rings 6.2mm

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Datasheet

6,199In Stock

$0.82

$0.438

$0.326

$0.284

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 13mm

ESD-R-26S
KEMET
1: $4.09
108In Stock
1,400On Order

Mfr. Part No.
ESD-R-26S

Mouser Part No
80-ESD-R-26S

KEMET

Ferrite Toroids / Ferrite Rings 13mm

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Datasheet

108In Stock

1,400On Order

$4.09

$2.38

$2.03

$1.51

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 57x36x20mm Mn-Zn Bare

ESD-R-57S
KEMET
1: $14.67
64In Stock

Mfr. Part No.
ESD-R-57S

Mouser Part No
80-ESD-R-57S

KEMET

Ferrite Toroids / Ferrite Rings 57x36x20mm Mn-Zn Bare

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Datasheet

64In Stock

$14.67

$11.12

$9.48

$8.92

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

Ferrite Cable Cores 40x1.5mm Bare Ni-Zn for Flat Cable

ESD-FPL-45-12
KEMET
1: $2.69
363In Stock
720Expected 20/04/2026

Mfr. Part No.
ESD-FPL-45-12

Mouser Part No
80-ESD-FPL-45-12

KEMET

Ferrite Cable Cores 40x1.5mm Bare Ni-Zn for Flat Cable

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Datasheet

363In Stock

720Expected 20/04/2026

$2.69

$1.60

$1.16

$1.10

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 48.5x26x16mm Mn-Zn Coated

ESD-R-47-P
KEMET
1: $12.23
68In Stock

Mfr. Part No.
ESD-R-47-P

Mouser Part No
80-ESD-R-47-P

KEMET

Ferrite Toroids / Ferrite Rings 48.5x26x16mm Mn-Zn Coated

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Datasheet

68In Stock

$12.23

$9.20

$7.33

$6.82

$6.37

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

Ferrite Cable Cores 22x1.3mm Bare Ni-Zn for Flat Cable

ESD-FPL-27-8
KEMET
1: $0.98
3,321In Stock

Mfr. Part No.
ESD-FPL-27-8

Mouser Part No
80-ESD-FPL-27-8

KEMET

Ferrite Cable Cores 22x1.3mm Bare Ni-Zn for Flat Cable

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Datasheet

3,321In Stock

$0.98

$0.48

$0.368

$0.328

View

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 9mm

ESD-R-19
KEMET
1: $1.60
1,420In Stock

Mfr. Part No.
ESD-R-19

Mouser Part No
80-ESD-R-19

KEMET

Ferrite Toroids / Ferrite Rings 9mm

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Datasheet

1,420In Stock

$1.60

$0.953

$0.843

$0.741

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 15.1mm

ESD-R-25L-A
KEMET
1: $2.26
779In Stock

Mfr. Part No.
ESD-R-25L-A

Mouser Part No
80-ESD-R-25L-A

KEMET

Ferrite Toroids / Ferrite Rings 15.1mm

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Datasheet

779In Stock

$2.26

$1.18

$0.851

$0.838

$0.806

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Cable Cores Solid Core Flat 27mm Cable

ESD-FPL-20-12
KEMET
1: $2.50
871In Stock

Mfr. Part No.
ESD-FPL-20-12

Mouser Part No
80-ESD-FPL-20-12

KEMET

Ferrite Cable Cores Solid Core Flat 27mm Cable

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Datasheet

871In Stock

$2.50

$1.30

$0.907

Quote

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Tube Core

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 7.3mm

ESD-R-12E
KEMET
1: $0.70
3,300In Stock

Mfr. Part No.
ESD-R-12E

Mouser Part No
80-ESD-R-12E

KEMET

Ferrite Toroids / Ferrite Rings 7.3mm

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Datasheet

3,300In Stock

$0.70

$0.378

$0.283

$0.256

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 7mm

ESD-R-14C
KEMET
1: $0.50
6,349In Stock

Mfr. Part No.
ESD-R-14C

Mouser Part No
80-ESD-R-14C

KEMET

Ferrite Toroids / Ferrite Rings 7mm

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Datasheet

6,349In Stock

$0.50

$0.161

$0.145

$0.138

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 29x12.7x16mm 300MHz Ni-Zn 120C

ESD-R-25N-H
KEMET
1: $3.27
942In Stock

Mfr. Part No.
ESD-R-25N-H

Mouser Part No
80-ESD-R-25N-H

KEMET

Ferrite Toroids / Ferrite Rings 29x12.7x16mm 300MHz Ni-Zn 120C

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Datasheet

942In Stock

$3.27

$1.69

$1.24

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 40 C

+ 120 C

Tray

Ferrite Cable Cores Solid Core Flat 23.5mm Cable

ESD-FPL-15
KEMET
1: $1.72
1,215In Stock

Mfr. Part No.
ESD-FPL-15

Mouser Part No
80-ESD-FPL-15

KEMET

Ferrite Cable Cores Solid Core Flat 23.5mm Cable

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Datasheet

1,215In Stock

$1.72

$0.809

$0.649

$0.587

$0.586

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Tube Core

- 25 C

+ 85 C

Bulk

Ferrite Cable Cores 11.5x0.85mm Bare Ni-Zn for Flat Cable

ESD-FPL-16-12
KEMET
1: $5.30
1,650In Stock

Mfr. Part No.
ESD-FPL-16-12

Mouser Part No
80-ESD-FPL-16-12

KEMET

Ferrite Cable Cores 11.5x0.85mm Bare Ni-Zn for Flat Cable

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Datasheet

1,650In Stock

$5.30

$2.79

$2.42

$2.19

$2.18

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Cable Cores 28x0.8mm Bare Ni-Zn for Flat Cable

ESD-FPL-32-12
KEMET
1: $1.31
1,573In Stock

Mfr. Part No.
ESD-FPL-32-12

Mouser Part No
80-ESD-FPL-32-12

KEMET

Ferrite Cable Cores 28x0.8mm Bare Ni-Zn for Flat Cable

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Datasheet

1,573In Stock

$1.31

$0.637

$0.485

$0.445

View

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Cable Cores 11x8mm Bare Ni-Zn for Flat Cable

ESD-FPL-14.5-5
KEMET
1: $0.53
4,680In Stock

Mfr. Part No.
ESD-FPL-14.5-5

Mouser Part No
80-ESD-FPL-14.5-5

KEMET

Ferrite Cable Cores 11x8mm Bare Ni-Zn for Flat Cable

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Datasheet

4,680In Stock

$0.53

$0.263

$0.20

$0.173

View

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 5mm

ESD-R-10E
KEMET
1: $0.21
14,316In Stock

Mfr. Part No.
ESD-R-10E

Mouser Part No
80-ESD-R-10E

KEMET

Ferrite Toroids / Ferrite Rings 5mm

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Datasheet

14,316In Stock

$0.21

$0.115

$0.088

$0.078

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm

ESD-R-19B
KEMET
1: $2.72
692In Stock

Mfr. Part No.
ESD-R-19B

Mouser Part No
80-ESD-R-19B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm

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Datasheet

692In Stock

$2.72

$1.41

$1.02

$1.00

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 60 C

Bulk

Ferrite Toroids / Ferrite Rings 15mm

ESD-R-25D-8
KEMET
1: $2.53
899In Stock

Mfr. Part No.
ESD-R-25D-8

Mouser Part No
80-ESD-R-25D-8

KEMET

Ferrite Toroids / Ferrite Rings 15mm

Learn More

Datasheet

899In Stock

$2.53

$1.31

$0.945

$0.919

Quote

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 19x10.7x5.3mm Ni-Zn Coated

ESD-R-19E-1
KEMET
1: $3.72
635In Stock

Mfr. Part No.
ESD-R-19E-1

Mouser Part No
80-ESD-R-19E-1

KEMET

Ferrite Toroids / Ferrite Rings 19x10.7x5.3mm Ni-Zn Coated

Learn More

Datasheet

635In Stock

$3.72

$1.99

$1.44

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

EMI Cores

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