Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
782013069155

782013069155

Würth Elektronik Midcom

FERRITE CORE 100 OHM SOLID 7.3MM

141

5943000911

5943000911

Fair-Rite Products Corp.

FERRITE CORE PARYLENE COATED

6796

ESD-R-1317426H-NC21-BT

ESD-R-1317426H-NC21-BT

KEMET

NANOCRYSTAL TROIDS WITH BASE 74M

1

ESD-FPL-38.5-8

ESD-FPL-38.5-8

KEMET

NI-ZN FOR FLAT CABLE, BARE 35.0

709

7427011

7427011

Würth Elektronik Midcom

FERRITE CORE 148 OHM SOLID 8MM

98

2643200101

2643200101

Fair-Rite Products Corp.

43 SHIELD BEAD

32744

5943011101

5943011101

Fair-Rite Products Corp.

FERRITE CORE

360

ESD-FPD-40

ESD-FPD-40

KEMET

FERRITE CORE CLIP 56MM X 2MM

0

28B0870-100

28B0870-100

Laird - Performance Materials

FERRITE CORE 122 OHM SOLID

0

2643168651

2643168651

Fair-Rite Products Corp.

43 SPLIT FLAT CABLE CORE

124

2643801002

2643801002

Fair-Rite Products Corp.

FERRITE CORE 47OHM SOLID 19MM

8996

5952003801

5952003801

Fair-Rite Products Corp.

FERRITE CORE

521

2943666661

2943666661

Fair-Rite Products Corp.

FERRITE CABLE CORES

6651

2873000202

2873000202

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

10936

AB 3X2X3DY

AB 3X2X3DY

Toshiba Electronic Devices and Storage Corporation

FERRITE CORE SOLID

0

2661665702

2661665702

Fair-Rite Products Corp.

FERRITE CORE 190OHM SOLID 9.53MM

4694

2673021801

2673021801

Fair-Rite Products Corp.

FERRITE CORE SOLID 1.58MM

10159

2643000201

2643000201

Fair-Rite Products Corp.

FERRITE CORE 31OHM SOLID 1.09MM

101695

28B1000-000

28B1000-000

Laird - Performance Materials

FERRITE CORE 151 OHM SOLID

6781

782114155130

782114155130

Würth Elektronik Midcom

WE-TEFA TOROIDAL EMI SUPPRESSION

75

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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