Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
5943000501

5943000501

Fair-Rite Products Corp.

FERRITE CORE

0

HFB143064-000

HFB143064-000

Laird - Performance Materials

FERRITE CORE 43 OHM SOLID 6.35MM

3560

ZCAT3618-2630D-BK

ZCAT3618-2630D-BK

TDK Corporation

FERRITE CORE 30 OHM HINGED

5444

7427014

7427014

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

277

ESD-FPD-34-1

ESD-FPD-34-1

KEMET

NI-ZN FOR FLAT CABLE, SPLIT CORE

33

782013150285

782013150285

Würth Elektronik Midcom

FERRITE CORE 190 OHM SOLID

44

ESD-SR-S25

ESD-SR-S25

KEMET

FERRITE CORE HINGED 14.5MM

36

ESD-FPL-20-15

ESD-FPL-20-15

KEMET

FERRITE CORE SOLID 27MM X 1.5MM

370

5968020901

5968020901

Fair-Rite Products Corp.

FERRITE CORE

3459

2631625102

2631625102

Fair-Rite Products Corp.

FERRITE CORE 260OHM SOLID 7.93MM

21198

ESD-R-25SD

ESD-R-25SD

KEMET

FERRITE CORE SOLID 15MM

451

ESD-FPL-33.5-8

ESD-FPL-33.5-8

KEMET

NI-ZN FOR FLAT CABLE, BARE 27.5

497

2631181381

2631181381

Fair-Rite Products Corp.

FERRITE 490OHM SOLID 37.21MM

0

28A2029-0A2

28A2029-0A2

Laird - Performance Materials

FERRITE CORE 250 OHM HINGED

20913

ESD-FPL-45.2-8

ESD-FPL-45.2-8

KEMET

NI-ZN FOR FLAT CABLE, BARE 40.0

294

0431164051

0431164051

Fair-Rite Products Corp.

FERRITE 310OHM SOLID 65.28MM

1666

ESD-FPD-50-1

ESD-FPD-50-1

KEMET

FERRITE CORE CLIP 68.6MM X 2MM

0

2643023002

2643023002

Fair-Rite Products Corp.

FERRITE CORE 145OHM SOLID 4.90MM

20811

2631540202

2631540202

Fair-Rite Products Corp.

FERRITE CORE 140OHM SOLID 6.35MM

8999

B-20F-46

B-20F-46

KEMET

FERRITE CORE SOLID 1.5MM

9686

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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