Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
2843006802

2843006802

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

1861

5943001901

5943001901

Fair-Rite Products Corp.

FERRITE CORE

639

KR16TA191010W

KR16TA191010W

Panasonic

FERRITE CORE 80 OHM CLAMP 8.7MM

2

0443164151

0443164151

Fair-Rite Products Corp.

FERRITE 250OHM SOLID 13.06MM

72230

74270052

74270052

Würth Elektronik Midcom

FERRITE CORE 170 OHM SOLID 8MM

1683

2643168251

2643168251

Fair-Rite Products Corp.

FERRITE 125OHM CLIP 52.07X0.84MM

2111

2643625102

2643625102

Fair-Rite Products Corp.

FERRITE CORE 213OHM SOLID 7.93MM

21176

5975000211

5975000211

Fair-Rite Products Corp.

FERRITE CORE PARYLENE COATED

535

5943004901

5943004901

Fair-Rite Products Corp.

FERRITE CORE

873

74270111

74270111

Würth Elektronik Midcom

FERRITE CORE 50 OHM SOLID 3.3MM

6

BF1835

BF1835

API Delevan

FERRITE CORE 172 OHM HINGED 9MM

90

28B1020-100

28B1020-100

Laird - Performance Materials

FERRITE CORE 276 OHM SOLID

319

2661540002

2661540002

Fair-Rite Products Corp.

FERRITE CORE 205OHM SOLID 6.35MM

21253

5943017301

5943017301

Fair-Rite Products Corp.

FERRITE CORE

682

ESD-SR-S38M

ESD-SR-S38M

KEMET

MN-ZN FERRITE SNAP ON 18MM UL94

70

28B0473-200

28B0473-200

Laird - Performance Materials

FERRITE CORE 424 OHM SOLID

0

7427004

7427004

Würth Elektronik Midcom

FERRITE CORE 258 OHM SOLID 6.3MM

424

28R1779-000

28R1779-000

Laird - Performance Materials

FERRITE CORE 298 OHM SOLID

0

ESD-R-25D-8

ESD-R-25D-8

KEMET

FERRITE CORE SOLID 15MM

844

2873001502

2873001502

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

9658

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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