Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
7427246

7427246

Würth Elektronik Midcom

FERRITE CORE 194 OHM HINGED

266

28B1250-2

28B1250-2

Leader Tech Inc.

FERRITE 151OHM SOLID 19.05MM

235

28B1225-300

28B1225-300

Laird - Performance Materials

FERRITE CORE 110 OHM SOLID

0

5967000601

5967000601

Fair-Rite Products Corp.

FERRITE CORE

0

7427007

7427007

Würth Elektronik Midcom

FERRITE CORE 278 OHM SOLID

75

ESD-FPL-38.5-12

ESD-FPL-38.5-12

KEMET

NI-ZN FOR FLAT CABLE, BARE 35.0

490

2643167851

2643167851

Fair-Rite Products Corp.

FERRITE 169OHM SOL 26.16X12.95MM

2232

7427012

7427012

Würth Elektronik Midcom

FERRITE CORE 148 OHM SOLID

242

28R1517-000

28R1517-000

Laird - Performance Materials

FERRITE CORE 230 OHM SOLID

439

ESD-R-38D

ESD-R-38D

KEMET

FERRITE CORE SOLID 19MM

699

28R0669-000

28R0669-000

Laird - Performance Materials

FERRITE CORE 110 OHM SOLID

31243

7427122

7427122

Würth Elektronik Midcom

FERRITE CORE 273 OHM HINGED

20

AB4X2X4.5W

AB4X2X4.5W

Toshiba Electronic Devices and Storage Corporation

FERRITE CORE SOLID 1.5MM

5474

7427802

7427802

Würth Elektronik Midcom

FERRITE CORE 65 OHM SOLID

0

74270104

74270104

Würth Elektronik Midcom

FERRITE CORE 67 OHM SOLID 19MM

28

28B0384-200

28B0384-200

Laird - Performance Materials

FERRITE CORE 322 OHM SOLID 3.8MM

34754

BF1125-5

BF1125-5

API Delevan

FERRITE CORE 154 OHM HINGED 5MM

251

HFA100035-0A2

HFA100035-0A2

Laird - Performance Materials

FERRITE CORE 172 OHM HINGED

0

2643178651

2643178651

Fair-Rite Products Corp.

FERRITE 50OHM SOLID 21.49X1.60MM

173

ESD-FPL-21-8

ESD-FPL-21-8

KEMET

FERRITE CORE SOLID 17MM X 0.8MM

3180

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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