Passive Components – Mouser Korea, Republic of

Skip to Main Content

Part of the TTI Family of Specialists Contact Mouser 02-380-8300 Feedback

Change Location

KRW

In Stock RoHS

.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 Passive Components

List Images

Results: 117

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 Cable Cores Ferrite Bead Core EMI 0.8mm

B-20L-34
KEMET
1: ₩546
27,395In Stock

Mfr. Part #
B-20L-34

Mouser Part #
80-B-20L-34

KEMET

Ferrite Cable Cores Ferrite Bead Core EMI 0.8mm

Datasheet

27,395In Stock

₩546

₩296.4

₩224.6

₩179.4

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings 6mm

ESD-R-12D
KEMET
1: ₩3,182.4
1,995In Stock

Mfr. Part #
ESD-R-12D

Mouser Part #
80-ESD-R-12D

KEMET

Ferrite Toroids / Ferrite Rings 6mm

Datasheet

1,995In Stock

₩3,182.4

₩1,887.6

₩1,669.2

₩1,209

₩1,053

Min.: 1
Mult.: 1

Ferrite Clamp On Cores 6x33x16.4mm Ni-Zn 65C

ESD-SR-120
KEMET
1: ₩5,070
2,671In Stock
2,100Expected 9/11/2026

Mfr. Part #
ESD-SR-120

Mouser Part #
80-ESD-SR-120

KEMET

Ferrite Clamp On Cores 6x33x16.4mm Ni-Zn 65C

Datasheet

2,671In Stock

2,100Expected 9/11/2026

₩5,070

₩3,198

₩2,808

₩2,028

Min.: 1
Mult.: 1

Ferrite Clamp On Cores 53x19mm 10MHz Mn-Zn 85C

ESD-SR-S47M
KEMET
1: ₩22,370.4
394In Stock

Mfr. Part #
ESD-SR-S47M

Mouser Part #
80-ESD-SR-S47M

KEMET

Ferrite Clamp On Cores 53x19mm 10MHz Mn-Zn 85C

Datasheet

394In Stock

₩22,370.4

₩12,948

₩11,200.8

₩11,044.8

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm

ESD-R-38D-B
KEMET
1: ₩16,021.2
1,721In Stock

Mfr. Part #
ESD-R-38D-B

Mouser Part #
80-ESD-R-38D-B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm

Datasheet

1,721In Stock

₩16,021.2

₩9,188.4

₩7,940.4

₩7,176

₩7,160.4

Min.: 1
Mult.: 1

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

B-20L-48B-L
KEMET
1: ₩390
31,245In Stock

Mfr. Part #
B-20L-48B-L

Mouser Part #
80-B-20L-48B-L

KEMET

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

Datasheet

31,245In Stock

₩390

₩210.6

₩162.2

₩142

View

Min.: 1
Mult.: 1

Ferrite Cable Cores Ferrite Bead Core EMI 1mm

B-20L-25
KEMET
1: ₩265.2
52,581In Stock

Mfr. Part #
B-20L-25

Mouser Part #
80-B-20L-25

KEMET

Ferrite Cable Cores Ferrite Bead Core EMI 1mm

Datasheet

52,581In Stock

₩265.2

₩165.4

₩154.4

₩146.6

View

Min.: 1
Mult.: 1

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

ESD-FPD-40-1
KEMET
1: ₩15,178.8
366In Stock

Mfr. Part #
ESD-FPD-40-1

Mouser Part #
80-ESD-FPD-40-1

KEMET

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

Datasheet

366In Stock

₩15,178.8

₩8,611.2

₩7,456.8

₩6,630

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings 14mm

ESD-R-25
KEMET
1: ₩3,463.2
299In Stock
300Expected 9/24/2026

Mfr. Part #
ESD-R-25

Mouser Part #
80-ESD-R-25

KEMET

Ferrite Toroids / Ferrite Rings 14mm

Datasheet

299In Stock

300Expected 9/24/2026

₩3,463.2

₩2,059.2

₩1,825.2

₩1,372.8

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings 15x5x9mm 10MHz Mn-Zn 120C

ESD-R-12M-H
KEMET
1: ₩2,215.2
2,496In Stock

Mfr. Part #
ESD-R-12M-H

Mouser Part #
80-ESD-R-12M-H

KEMET

Ferrite Toroids / Ferrite Rings 15x5x9mm 10MHz Mn-Zn 120C

Datasheet

2,496In Stock

₩2,215.2

₩1,154.4

₩829.9

₩753.5

View

Min.: 1
Mult.: 1

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

ESD-R-25N-H
KEMET
1: ₩5,366.4
928In Stock

Mfr. Part #
ESD-R-25N-H

Mouser Part #
80-ESD-R-25N-H

KEMET

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

Datasheet

928In Stock

₩5,366.4

₩3,135.6

₩2,745.6

₩1,965.6

₩1,934.4

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm

ESD-R-19B
KEMET
1: ₩4,446
673In Stock

Mfr. Part #
ESD-R-19B

Mouser Part #
80-ESD-R-19B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm

Datasheet

673In Stock

₩4,446

₩2,620.8

₩2,308.8

₩1,669.2

₩1,560

Min.: 1
Mult.: 1

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

ESD-R-57M-H
KEMET
1: ₩32,448
60In Stock

Mfr. Part #
ESD-R-57M-H

Mouser Part #
80-ESD-R-57M-H

KEMET

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

Datasheet

60In Stock

₩32,448

₩17,394

₩16,738.8

₩16,692

₩16,676.4

Min.: 1
Mult.: 1

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

ESD-R-19E-1
KEMET
1: ₩6,099.6
615In Stock

Mfr. Part #
ESD-R-19E-1

Mouser Part #
80-ESD-R-19E-1

KEMET

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

Datasheet

615In Stock

₩6,099.6

₩3,556.8

₩2,839.2

₩2,246.4

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings 61x33.2x25mm 300MHz Ni-Zn 120C

ESD-R-57N-H
KEMET
1: ₩34,351.2
57In Stock

Mfr. Part #
ESD-R-57N-H

Mouser Part #
80-ESD-R-57N-H

KEMET

Ferrite Toroids / Ferrite Rings 61x33.2x25mm 300MHz Ni-Zn 120C

Datasheet

57In Stock

₩34,351.2

₩17,862

₩17,253.6

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Coated Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H

ESD-R-25SR-P
KEMET
1: ₩8,907.6
576In Stock

Mfr. Part #
ESD-R-25SR-P

Mouser Part #
80-ESD-R-25SR-P

KEMET

Ferrite Toroids / Ferrite Rings Coated Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H

576In Stock

₩8,907.6

₩5,132.4

₩4,586.4

Min.: 1
Mult.: 1

Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 7x37.4x19.6x20.3mm

ESD-SR-190736X-R1
KEMET
1: ₩6,021.6
672In Stock
400Expected 9/21/2026

Mfr. Part #
ESD-SR-190736X-R1

Mouser Part #
80-ESD-SR-190736X-R1

KEMET

Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 7x37.4x19.6x20.3mm

Datasheet

672In Stock

400Expected 9/21/2026

₩6,021.6

₩3,510

₩3,088.8

₩2,964

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

ESD-R-220814XH-R1
KEMET
1: ₩3,541.2
607In Stock

Mfr. Part #
ESD-R-220814XH-R1

Mouser Part #
80-ESD-R-220814XH-R1

KEMET

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

607In Stock

₩3,541.2

₩2,106

₩1,700.4

₩1,606.8

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Bare,Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability 10H

ESD-R-25SH
KEMET
1: ₩3,978
682In Stock

Mfr. Part #
ESD-R-25SH

Mouser Part #
80-ESD-R-25SH

KEMET

Ferrite Toroids / Ferrite Rings Bare,Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability 10H

682In Stock

₩3,978

₩2,340

₩2,059.2

₩2,043.6

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroidal,Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H

ESD-R-25SR
KEMET
1: ₩7,035.6
250In Stock

Mfr. Part #
ESD-R-25SR

Mouser Part #
80-ESD-R-25SR

KEMET

Ferrite Toroids / Ferrite Rings Toroidal,Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H

250In Stock

₩7,035.6

₩4,087.2

₩3,588

₩3,463.2

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

ESD-R-291216XH-R1
KEMET
1: ₩4,758
319In Stock

Mfr. Part #
ESD-R-291216XH-R1

Mouser Part #
80-ESD-R-291216XH-R1

KEMET

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

319In Stock

₩4,758

₩2,792.4

₩2,449.2

₩2,199.6

₩2,184

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroidal w/case Nanocrystal Low Frequency 150kHz Ring -40/+120C UL94 V-0

ESD-R-412119H-NC23
KEMET
1: ₩27,736.8
100In Stock
120Expected 4/27/2027

Mfr. Part #
ESD-R-412119H-NC23

Mouser Part #
80-ESD-R-412119HNC23

KEMET

Ferrite Toroids / Ferrite Rings Toroidal w/case Nanocrystal Low Frequency 150kHz Ring -40/+120C UL94 V-0

100In Stock

120Expected 4/27/2027

₩27,736.8

₩17,472

Quote

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

ESD-R-421617XH-R1
KEMET
1: ₩9,032.4
236In Stock

Mfr. Part #
ESD-R-421617XH-R1

Mouser Part #
80-ESD-R-421617XH-R1

KEMET

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

236In Stock

₩9,032.4

₩4,742.4

₩4,118.4

₩4,102.8

Quote

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal,Mn-Zn -40/+120C UL94 V-0 HR1

ESD-R-512419XH-R1
KEMET
1: ₩12,651.6
78In Stock

Mfr. Part #
ESD-R-512419XH-R1

Mouser Part #
80-ESD-R-512419XH-R1

KEMET

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal,Mn-Zn -40/+120C UL94 V-0 HR1

78In Stock

₩12,651.6

₩6,583.2

₩6,567.6

₩6,505.2

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

ESD-R-613325XH-R1
KEMET
1: ₩30,513.6
71In Stock

Mfr. Part #
ESD-R-613325XH-R1

Mouser Part #
80-ESD-R-613325XH-R1

KEMET

Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1

71In Stock

₩30,513.6

₩20,077.2

View

Min.: 1
Mult.: 1