Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
5977001001

5977001001

Fair-Rite Products Corp.

FERRITE CORE

0

AB3X2X4.5W

AB3X2X4.5W

Toshiba Electronic Devices and Storage Corporation

FERRITE CORE SOLID 1.5MM

1571

28R0756-000

28R0756-000

Laird - Performance Materials

FERRITE CORE 107 OHM SOLID

38145

2643163851

2643163851

Fair-Rite Products Corp.

FERRITE 220OHM SOL 26.67X1.91MM

784

5968000201

5968000201

Fair-Rite Products Corp.

FERRITE CORE

1459

782013110508

782013110508

Würth Elektronik Midcom

FERRITE CORE 345 OHM SOLID

3097

782013100280

782013100280

Würth Elektronik Midcom

FERRITE CORE 150 OHM SOLID

0

ESD-R-57-P

ESD-R-57-P

KEMET

MN-ZN TOROIDAL, COATED 34MM

11

74272211

74272211

Würth Elektronik Midcom

STAR-TEC LFS SNAP FERRITE WITH S

3

2643165151

2643165151

Fair-Rite Products Corp.

43 SPLIT ROUND CABLE CORE

90

28A2024-0A2

28A2024-0A2

Laird - Performance Materials

FERRITE CORE 280 OHM HINGED

0

28B0686-000

28B0686-000

Laird - Performance Materials

FERRITE CORE 91 OHM SOLID 9.52MM

5317

5952020601

5952020601

Fair-Rite Products Corp.

FERRITE CORE

552

28B0500-300

28B0500-300

Laird - Performance Materials

FERRITE CORE 118 OHM SOLID

0

74270062

74270062

Würth Elektronik Midcom

EMI FERRITE FOR CABLE

0

28A2026-0A2

28A2026-0A2

Laird - Performance Materials

FERRITE CORE 270 OHM HINGED

5515

2646480002

2646480002

Fair-Rite Products Corp.

FERRITE CORE 212OHM SOLID 5.08MM

3210

ESD-R-57S

ESD-R-57S

KEMET

MN-ZN TOROIDAL, BARE 36MM

1

0475164281

0475164281

Fair-Rite Products Corp.

FERRITE CORE HINGED 6.60MM

3010

2673000101

2673000101

Fair-Rite Products Corp.

FERRITE CORE SOLID 1.30MM

237372

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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