Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
28R0480-000

28R0480-000

Laird - Performance Materials

FERRITE CORE 190 OHM SOLID

15138

2643802702

2643802702

Fair-Rite Products Corp.

FERRITE CORE 80OHM SOLID 22.86MM

17173

ESD-R-14S

ESD-R-14S

KEMET

FERRITE CORE SOLID 6.3MM

640

5968001101

5968001101

Fair-Rite Products Corp.

FERRITE CORE

10421

ESD-R-512936H-NC23

ESD-R-512936H-NC23

KEMET

NANOCRYSTAL TROIDS CASED 29.5MM

15

28B1417-200

28B1417-200

Laird - Performance Materials

FERRITE CORE 115 OHM SOLID 23MM

0

HFB143064-300

HFB143064-300

Laird - Performance Materials

FERRITE CORE 270 OHM SOLID

4375

2631626402

2631626402

Fair-Rite Products Corp.

FERRITE 225OHM SOLID 10.16MM

22837

28R1457-400

28R1457-400

Laird - Performance Materials

FERRITE CORE 140 OHM SOLID

28343

28S2012-0M0

28S2012-0M0

Laird - Performance Materials

FERRITE CORE 240 OHM CLIP

684

74278021

74278021

Würth Elektronik Midcom

FERRITE CORE 58 OHM SOLID

6

7427248

7427248

Würth Elektronik Midcom

FERRITE CORE 180 OHM HINGED

45

5975000601

5975000601

Fair-Rite Products Corp.

FERRITE CORE

711

74270043

74270043

Würth Elektronik Midcom

WE-AFB EMI SUPPRESSION AXIAL FER

493

28A2736-0A2

28A2736-0A2

Laird - Performance Materials

FERRITE CORE 220 OHM HINGED 9MM

0

2643801202

2643801202

Fair-Rite Products Corp.

43 ROUND CABLE CORE

2216

74270022

74270022

Würth Elektronik Midcom

FERRITE CORE 59 OHM SOLID 4MM

10642

2643375002

2643375002

Fair-Rite Products Corp.

FERRITE CORE 115OHM SOLID 4.88MM

9842

2643540102

2643540102

Fair-Rite Products Corp.

FERRITE CORE 89OHM SOLID 6.35MM

705

5975003801

5975003801

Fair-Rite Products Corp.

FERRITE CORE

334

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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