Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
28R0898-200

28R0898-200

Laird - Performance Materials

FERRITE CORE 127 OHM SOLID

86

2643804502

2643804502

Fair-Rite Products Corp.

FERRITE 100OHM SOLID 19.05MM

12077

2644181281

2644181281

Fair-Rite Products Corp.

FERRITE 104OHM SOLID 37.21MM

46

74271142S

74271142S

Würth Elektronik Midcom

FERRITE CORE 182 OHM HINGED 5MM

7063

782114133064

782114133064

Würth Elektronik Midcom

WE-TEFA TOROIDAL EMI SUPPRESSION

717

B-20L-95B

B-20L-95B

KEMET

NI-ZN BEAD, COATED 4.8MM

0

5943000101

5943000101

Fair-Rite Products Corp.

FERRITE CORE

1187

ESD-R-28C-1

ESD-R-28C-1

KEMET

FERRITE CORE SOLID 15.8MM

0

74270054

74270054

Würth Elektronik Midcom

FERRITE CORE 143 OHM SOLID 9MM

83

28B0500-100

28B0500-100

Laird - Performance Materials

FERRITE CORE 83 OHM SOLID 7.92MM

0

5961000101

5961000101

Fair-Rite Products Corp.

FERRITE CORE

9278

2643022401

2643022401

Fair-Rite Products Corp.

FERRITE CORE 82OHM SOLID 1.58MM

22383

ZCAT10D

ZCAT10D

TDK Corporation

FERRITE CORE 70 OHM HINGED

186

ESD-FPL-40-12

ESD-FPL-40-12

KEMET

NI-ZN FOR FLAT CABLE, BARE 34.8

315

0443806406

0443806406

Fair-Rite Products Corp.

FERRITE 90OHM HINGED 15.49MM

3055

2643103102

2643103102

Fair-Rite Products Corp.

FERRITE CABLE CORES

155

ESD-FPL-24.5-8

ESD-FPL-24.5-8

KEMET

NI-ZN FOR FLAT CABLE, BARE 20.0

1113

ESD-R-341616H-NC23

ESD-R-341616H-NC23

KEMET

NANOCRYSTAL TROIDS CASED 16.5MM

0

28B0999-000

28B0999-000

Laird - Performance Materials

FERRITE CORE 122 OHM SOLID

910

B-20F-38

B-20F-38

KEMET

FERRITE CORE SOLID 1.5MM

0

Cable Ferrites

1. Overview

Cable Ferrites are passive electronic components designed to suppress high-frequency noise in cables, reducing electromagnetic interference (EMI) and radio-frequency interference (RFI). Constructed from ferrite materials, these components absorb electromagnetic energy and convert it into heat. With the rapid development of high-speed electronics and wireless communication systems, cable ferrites play a critical role in ensuring electromagnetic compatibility (EMC) across industries.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Split Core (Snap-on)Easy installation without cable disassembly; moderate noise suppressionConsumer electronics power cables
Wound TypeHigher inductance through multiple turns; superior EMI filteringIndustrial motor drives
Flat Cable FerriteLow-profile design; optimized for ribbon cablesComputer peripheral cables
High-Frequency FerriteEffective at GHz frequencies; specialized material formulation5G base station cables

3. Structure and Composition

Typical cable ferrites consist of a manganese-zinc (MnZn) or nickel-zinc (NiZn) ferrite core with polymer coating. Split-core designs use two interlocking halves with snap mechanisms, while wound types feature pre-molded toroidal cores. Advanced models integrate conductive elastomers for improved EMI absorption. The core material's permeability determines the operating frequency range and noise suppression efficiency.

4. Key Technical Specifications

ParameterDescriptionImportance
Impedance (100MHz)100 - 2500 Determines noise attenuation performance
Frequency Range1MHz - 3GHzDefines effective operation bandwidth
Temperature Stability-40 C to +125 CEnsures reliability in harsh environments
Cable Compatibility2-15mm diameterInstallation flexibility

5. Application Fields

  • Consumer Electronics: Notebook chargers, HDMI cables, USB hubs
  • Industrial Equipment: PLC systems, CNC machine cabling
  • Telecommunications: Fiber optic transceivers, 5G small cells
  • Automotive: CAN bus systems, EV charging cables

6. Leading Manufacturers and Products

ManufacturerKey ProductFeatures
TDK CorporationDFE3D25E102MA2D2500 @100MHz, 3GHz high-frequency performance
Murata ManufacturingBLE21HG102MN1DCompact 10.5 6.5mm size for automotive applications
Steward Components28B2043-0A0High-vibration resistance for industrial motors

7. Selection Guidelines

Key considerations include:

  • Match impedance to target noise frequency range
  • Verify mechanical compatibility with cable diameter
  • Select material type (MnZn for low frequencies, NiZn for high frequencies)
  • Assess environmental requirements (temperature, vibration)
  • Balance performance with cost constraints

8. Industry Trends

Current trends show: - Increasing demand for high-frequency (>6GHz) ferrites driven by 5G and IoT - Miniaturization for wearable device applications - Development of wideband ferrites with multi-octave frequency coverage - Growing adoption in EV charging systems (SAE J1772 compliance) - Integration with cable connectors for space-constrained designs

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