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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 Toroids / Ferrite Rings Ferrite Bead Incased EMI 13.9mm

ESD-R-25D-B
KEMET
1: ₹225.50
584Expected 26-03-2026

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

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

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 13.9mm

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Datasheet

584Expected 26-03-2026

₹225.50

₹147.34

₹132.06

₹84.27

₹81.84

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-25SD
KEMET
1: ₹118.59
2,129On Order

Mfr. Part No.
ESD-R-25SD

Mouser Part No
80-ESD-R-25SD

KEMET

Ferrite Toroids / Ferrite Rings 15mm

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Datasheet

2,129On Order

₹118.59

₹62.35

₹45.91

₹38.99

₹38.36

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 16mm

ESD-R-28C
KEMET
1: ₹221.90
600Expected 27-07-2026

Mfr. Part No.
ESD-R-28C

Mouser Part No
80-ESD-R-28C

KEMET

Ferrite Toroids / Ferrite Rings 16mm

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Datasheet

600Expected 27-07-2026

₹221.90

₹131.17

₹115.00

₹80.23

₹80.14

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 32x19.5x9mm Ni-Zn Coated

ESD-R-31C-1
KEMET
1: ₹344.99
300Expected 23-07-2026

Mfr. Part No.
ESD-R-31C-1

Mouser Part No
80-ESD-R-31C-1

KEMET

Ferrite Toroids / Ferrite Rings 32x19.5x9mm Ni-Zn Coated

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Datasheet

300Expected 23-07-2026

₹344.99

₹201.24

₹176.09

₹134.76

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 38x19x12.7mm 150kHz Mn-Zn 85C

ESD-R-38SR
KEMET
1: ₹554.31
200Expected 23-07-2026

Mfr. Part No.
ESD-R-38SR

Mouser Part No
80-ESD-R-38SR

KEMET

Ferrite Toroids / Ferrite Rings 38x19x12.7mm 150kHz Mn-Zn 85C

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Datasheet

200Expected 23-07-2026

₹554.31

₹290.18

₹249.76

₹234.48

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

EMI Cores

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 50x23x18mm Mn-Zn Case and Tape

ESD-R-47-1
KEMET
1: ₹836.41
220On Order

Mfr. Part No.
ESD-R-47-1

Mouser Part No
80-ESD-R-47-1

KEMET

Ferrite Toroids / Ferrite Rings 50x23x18mm Mn-Zn Case and Tape

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Datasheet

220On Order

₹836.41

₹428.54

₹391.70

₹380.02

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm

ESD-R-47B
KEMET
1: ₹738.48
90On Order

Mfr. Part No.
ESD-R-47B

Mouser Part No
80-ESD-R-47B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm

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Datasheet

90On Order

₹738.48

₹456.39

₹392.60

₹381.82

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 60 C

Bulk

Ferrite Toroids / Ferrite Rings 61x32.4x24mm Mn-Zn Case and Tape

ESD-R-57A-1
KEMET
1: ₹1,896.52
60Expected 26-03-2026

Mfr. Part No.
ESD-R-57A-1

Mouser Part No
80-ESD-R-57A-1

KEMET

Ferrite Toroids / Ferrite Rings 61x32.4x24mm Mn-Zn Case and Tape

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Datasheet

60Expected 26-03-2026

₹1,896.52

₹1,000.82

₹999.92

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 32.4mm

ESD-R-57D-1
KEMET
1: ₹2,518.22
59Expected 23-04-2026

Mfr. Part No.
ESD-R-57D-1

Mouser Part No
80-ESD-R-57D-1

KEMET

Ferrite Toroids / Ferrite Rings 32.4mm

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Datasheet

59Expected 23-04-2026

₹2,518.22

₹1,401.50

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

EMI, Solid Toroidal Cores

- 25 C

+ 85 C

Bulk

Ferrite Toroids / Ferrite Rings 61x33.2x25mm 10MHz Mn-Zn 120C

ESD-R-57M-H
KEMET
1: ₹1,832.74
60Expected 28-05-2026

Mfr. Part No.
ESD-R-57M-H

Mouser Part No
80-ESD-R-57M-H

KEMET

Ferrite Toroids / Ferrite Rings 61x33.2x25mm 10MHz Mn-Zn 120C

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Datasheet

60Expected 28-05-2026

₹1,832.74

₹961.29

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 40 C

+ 120 C

Tray

Ferrite Clamp On Cores 14.4x5x28mm Ni-Zn Snap-on

ESD-SR-110G
KEMET
1: ₹250.65
1,106On Order

Mfr. Part No.
ESD-SR-110G

Mouser Part No
80-ESD-SR-110G

KEMET

Ferrite Clamp On Cores 14.4x5x28mm Ni-Zn Snap-on

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Datasheet

1,106On Order

₹250.65

₹147.34

₹115.89

₹93.43

₹92.54

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Snap On Cores

Cable Single

- 25 C

+ 85 C

Tray

Ferrite Clamp On Cores 19.5x46.5x19.5mm 300MHz Ni-Zn 125C

ESD-SR-160HL
KEMET
1: ₹465.37
170Expected 26-03-2026

Mfr. Part No.
ESD-SR-160HL

Mouser Part No
80-ESD-SR-160HL

KEMET

Ferrite Clamp On Cores 19.5x46.5x19.5mm 300MHz Ni-Zn 125C

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Datasheet

170Expected 26-03-2026

₹465.37

₹251.55

₹218.31

₹191.36

₹190.46

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

- 40 C

+ 125 C

Bulk

Ferrite Clamp On Cores 31.5x13x38mm Ni-Zn Snap-on

ESD-SR-250G
KEMET
1: ₹727.70
140Expected 07-04-2026

Mfr. Part No.
ESD-SR-250G

Mouser Part No
80-ESD-SR-250G

KEMET

Ferrite Clamp On Cores 31.5x13x38mm Ni-Zn Snap-on

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Datasheet

140Expected 07-04-2026

₹727.70

₹375.53

₹344.99

₹322.53

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Snap On Cores

Cable Single

- 25 C

+ 85 C

Tray

Ferrite Clamp On Cores 30x53x30mm 300MHz Ni-Zn 100C

ESD-SR-250H
KEMET
1: ₹963.08
175Expected 28-05-2026

Mfr. Part No.
ESD-SR-250H

Mouser Part No
80-ESD-SR-250H

KEMET

Ferrite Clamp On Cores 30x53x30mm 300MHz Ni-Zn 100C

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Datasheet

175Expected 28-05-2026

₹963.08

₹539.94

₹449.20

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

EMI, Split Snap-In Cores

Cable Single

- 40 C

+ 100 C

Bulk

Ferrite Clamp On Cores 30x13x42mm Ni-Zn AEC-Q200

ESD-SR-250HL
KEMET
1: ₹936.13
60Expected 23-07-2026

Mfr. Part No.
ESD-SR-250HL

Mouser Part No
80-ESD-SR-250HL

KEMET

Ferrite Clamp On Cores 30x13x42mm Ni-Zn AEC-Q200

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Datasheet

60Expected 23-07-2026

₹936.13

₹476.15

₹435.72

₹433.93

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Snap On Cores

Cable Single

- 40 C

+ 125 C

Tray

Ferrite Clamp On Cores 44x16.5mm 10MHz Mn-Zn 85C

ESD-SR-S38M
KEMET
1: ₹1,123.90
72Expected 07-04-2026

Mfr. Part No.
ESD-SR-S38M

Mouser Part No
80-ESD-SR-S38M

KEMET

Ferrite Clamp On Cores 44x16.5mm 10MHz Mn-Zn 85C

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Datasheet

72Expected 07-04-2026

₹1,123.90

₹543.53

₹539.04

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Cable Single

- 40 C

+ 85 C

Bulk

Ferrite Cable Cores 4.8x2.4mm 300MHz Ni-Zn Coated

B-20L-48B-A
KEMET
30,000: ₹54.35
Non-Stocked Lead-Time 29 Weeks

Mfr. Part No.
B-20L-48B-A

Mouser Part No
80-B-20L-48B-A

KEMET

Ferrite Cable Cores 4.8x2.4mm 300MHz Ni-Zn Coated

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Datasheet

Non-Stocked Lead-Time 29 Weeks

₹54.35

Min.: 30,000
Mult.: 5,000

Ferrite Cable Cores

Round Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Bulk

Ferrite Cable Cores Split Core Flat 56mm Cable

ESD-FPD-40
KEMET
1: ₹781.61
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
ESD-FPD-40

Mouser Part No
80-ESD-FPD-40

KEMET

Ferrite Cable Cores Split Core Flat 56mm Cable

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Datasheet

Non-Stocked Lead-Time 23 Weeks

₹781.61

₹442.01

₹382.72

₹351.27

₹350.38

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Split

Tube Core

- 25 C

+ 85 C

Bulk

Ferrite Cable Cores 21x0.85mm Bare Ni-Zn for Flat Cable

ESD-FPL-25-12
KEMET
1: ₹103.32
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
ESD-FPL-25-12

Mouser Part No
80-ESD-FPL-25-12

KEMET

Ferrite Cable Cores 21x0.85mm Bare Ni-Zn for Flat Cable

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Datasheet

Non-Stocked Lead-Time 23 Weeks

₹103.32

₹54.89

₹36.83

₹33.60

View

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Cable Cores 44.5x1.3mm Bare Ni-Zn for Flat Cable

ESD-FPL-49.6-12
KEMET
1: ₹229.09
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
ESD-FPL-49.6-12

Mouser Part No
80-ESD-FPL-49.6-12

KEMET

Ferrite Cable Cores 44.5x1.3mm Bare Ni-Zn for Flat Cable

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Datasheet

Non-Stocked Lead-Time 23 Weeks

₹229.09

₹134.76

₹115.00

₹83.37

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Cable Cores 52x1.3mm Bare Ni-Zn for Flat Cable

ESD-FPL-57.6-12
KEMET
1: ₹372.84
Lead-Time 23 Weeks

Mfr. Part No.
ESD-FPL-57.6-12

Mouser Part No
80-ESD-FPL-57.6-12

KEMET

Ferrite Cable Cores 52x1.3mm Bare Ni-Zn for Flat Cable

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Datasheet

Lead-Time 23 Weeks

₹372.84

₹216.51

₹183.27

₹147.34

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

Shield Bead

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 26x14x15mm Ni-Zn Case and Tape

ESD-R-25D-1
KEMET
1: ₹222.80
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
ESD-R-25D-1

Mouser Part No
80-ESD-R-25D-1

KEMET

Ferrite Toroids / Ferrite Rings 26x14x15mm Ni-Zn Case and Tape

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

₹222.80

₹132.06

₹115.00

₹83.37

₹80.68

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 25.3x14.8x12.3mm Mn-Zn Coated

ESD-R-25MK
KEMET
1: ₹293.78
Lead-Time 23 Weeks

Mfr. Part No.
ESD-R-25MK

Mouser Part No
80-ESD-R-25MK

KEMET

Ferrite Toroids / Ferrite Rings 25.3x14.8x12.3mm Mn-Zn Coated

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Datasheet

Lead-Time 23 Weeks

₹293.78

₹158.12

₹111.40

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 25 C

+ 85 C

Tray

Ferrite Toroids / Ferrite Rings 51x24.4x19mm 300MHz Ni-Zn 120C

ESD-R-47N-H
KEMET
1: ₹846.29
Lead-Time 23 Weeks

Mfr. Part No.
ESD-R-47N-H

Mouser Part No
80-ESD-R-47N-H

KEMET

Ferrite Toroids / Ferrite Rings 51x24.4x19mm 300MHz Ni-Zn 120C

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Datasheet

Lead-Time 23 Weeks

₹846.29

₹469.86

₹428.54

₹426.74

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

- 40 C

+ 120 C

Tray

Ferrite Toroids / Ferrite Rings 57x36x20mm 150kHz Mn-Zn 85C

ESD-R-57SR
KEMET
60: ₹1,178.70
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
ESD-R-57SR

Mouser Part No
80-ESD-R-57SR

KEMET

Ferrite Toroids / Ferrite Rings 57x36x20mm 150kHz Mn-Zn 85C

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

₹1,178.70

Min.: 60
Mult.: 15

Ferrite Toroids / Ferrite Rings

EMI Cores

- 25 C

+ 85 C

Tray

EMI Cores

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