Ferrites – Mouser South Africa

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Ferrites

List Images

Results: 175

Applied Filters:

Product Type

Product

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 13.9mm

ESD-R-25B
KEMET
1: $2.51
600On Order

Mfr. Part No.
ESD-R-25B

Mouser Part No
80-ESD-R-25B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 13.9mm

Learn More

Datasheet

600On Order

$2.51

$1.31

$1.22

$0.948

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 13.9mm

ESD-R-25D-B
KEMET
1: $2.51
584Expected 2026/03/26

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

Learn More

Datasheet

584Expected 2026/03/26

$2.51

$1.48

$1.30

$1.13

$0.948

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Ferrite Toroids / Ferrite Rings 15mm

ESD-R-25SD
KEMET
1: $1.33
2,129On Order

Mfr. Part No.
ESD-R-25SD

Mouser Part No
80-ESD-R-25SD

KEMET

Ferrite Toroids / Ferrite Rings 15mm

Learn More

Datasheet

2,129On Order

$1.33

$0.694

$0.57

$0.563

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Ferrite Toroids / Ferrite Rings 16mm

ESD-R-28C
KEMET
1: $2.52
600Expected 2026/07/27

Mfr. Part No.
ESD-R-28C

Mouser Part No
80-ESD-R-28C

KEMET

Ferrite Toroids / Ferrite Rings 16mm

Learn More

Datasheet

600Expected 2026/07/27

$2.52

$1.31

$1.04

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Ferrite Toroids / Ferrite Rings 19mm

ESD-R-31C
KEMET
1: $2.44
793On Order

Mfr. Part No.
ESD-R-31C

Mouser Part No
80-ESD-R-31C

KEMET

Ferrite Toroids / Ferrite Rings 19mm

Learn More

Datasheet

793On Order

$2.44

$1.73

$1.30

$1.15

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-R-31C-1
KEMET
1: $3.95
350Expected 2026/07/23

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

Learn More

Datasheet

350Expected 2026/07/23

$3.95

$2.50

$2.00

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-R-38SR
KEMET
1: $6.37
200Expected 2026/07/23

Mfr. Part No.
ESD-R-38SR

Mouser Part No
80-ESD-R-38SR

KEMET

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

Learn More

Datasheet

200Expected 2026/07/23

$6.37

$4.70

$4.12

$3.68

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

EMI Cores

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

ESD-R-47-1
KEMET
1: $9.68
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

Learn More

Datasheet

220On Order

$9.68

$7.22

$6.37

$5.70

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm

ESD-R-47B
KEMET
1: $8.11
90Expected 2026/07/15

Mfr. Part No.
ESD-R-47B

Mouser Part No
80-ESD-R-47B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm

Learn More

Datasheet

90Expected 2026/07/15

$8.11

$4.43

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-R-57A-1
KEMET
1: $22.22
60Expected 2026/03/26

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

Learn More

Datasheet

60Expected 2026/03/26

$22.22

$17.00

$15.20

$13.76

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Ferrite Toroids / Ferrite Rings 32.4mm

ESD-R-57D-1
KEMET
1: $28.04
59Expected 2026/04/23

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

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

KEMET

Ferrite Toroids / Ferrite Rings 32.4mm

Learn More

Datasheet

59Expected 2026/04/23

$28.04

$16.22

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-R-57M-H
KEMET
1: $21.35
60Expected 2026/05/28

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

Learn More

Datasheet

60Expected 2026/05/28

$21.35

$16.33

$14.61

$13.21

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-SR-160HL
KEMET
1: $5.49
170Expected 2026/03/26

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

Learn More

Datasheet

170Expected 2026/03/26

$5.49

$3.85

$3.31

$2.91

View

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Ferrite Toroids / Ferrite Rings Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1

ESD-SR-190938X-R1
KEMET
1: $3.93
797On Order

Mfr. Part No.
ESD-SR-190938X-R1

Mouser Part No
80-ESD-SR-190938X-R1

KEMET

Ferrite Toroids / Ferrite Rings Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1

Learn More

797On Order

$3.93

$2.58

$2.26

$1.97

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

EMI Cores

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

ESD-SR-250G
KEMET
1: $8.32
140Expected 2026/04/07

Mfr. Part No.
ESD-SR-250G

Mouser Part No
80-ESD-SR-250G

KEMET

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

Learn More

Datasheet

140Expected 2026/04/07

$8.32

$6.19

$4.88

$4.50

View

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Snap On Cores

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

ESD-SR-250HL
KEMET
1: $10.68
60Expected 2026/07/23

Mfr. Part No.
ESD-SR-250HL

Mouser Part No
80-ESD-SR-250HL

KEMET

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

Learn More

Datasheet

60Expected 2026/07/23

$10.68

$5.82

$5.04

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

Snap On Cores

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

ESD-SR-S38M
KEMET
1: $12.84
72Expected 2026/04/07

Mfr. Part No.
ESD-SR-S38M

Mouser Part No
80-ESD-SR-S38M

KEMET

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

Learn More

Datasheet

72Expected 2026/04/07

$12.84

$9.70

$8.57

$7.68

View

Min.: 1
Mult.: 1

Ferrite Clamp On Cores

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

B-20L-48B-A
KEMET
30,000: $0.629
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

Learn More

Datasheet

Non-Stocked Lead-Time 29 Weeks

$0.629

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

Ferrite Cable Cores

Round Cable Cores Solid

Ferrite Cable Cores Split Core Flat 56mm Cable

ESD-FPD-40
KEMET
1: $8.70
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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$8.70

$4.83

$4.18

$4.07

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Split

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

ESD-FPL-49.6-12
KEMET
1: $2.55
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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$2.55

$1.50

$1.28

$0.966

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

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

ESD-FPL-57.6-12
KEMET
1: $4.15
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

Learn More

Datasheet

Lead-Time 23 Weeks

$4.15

$2.41

$2.04

$1.71

Min.: 1
Mult.: 1

Ferrite Cable Cores

Flat Ribbon Cable Cores Solid

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

ESD-R-25D-1
KEMET
1: $2.48
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

$2.48

$1.47

$1.28

$1.12

$0.934

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-R-25MK
KEMET
1: $3.27
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

Learn More

Datasheet

Lead-Time 23 Weeks

$3.27

$1.76

$1.47

$1.29

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-R-47N-H
KEMET
1: $9.34
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

Learn More

Datasheet

Lead-Time 23 Weeks

$9.34

$5.23

$4.77

$4.76

$4.31

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

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

ESD-R-57SR
KEMET
60: $13.65
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

$13.65

Min.: 60
Mult.: 15

Ferrite Toroids / Ferrite Rings

EMI Cores

EMI Cores

Types of Ferrites

Customer Service Office

Company

Resources

Support