Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
742701111

742701111

Würth Elektronik Midcom

FERRITE CORE 155 OHM SOLID 19MM

119

ZCAT10D-BK

ZCAT10D-BK

TDK Corporation

FERRITE CORE 70 OHM HINGED

0

74271251

74271251

Würth Elektronik Midcom

FERRITE 525OHM HINGED 24.99MM

216

28B0339-000

28B0339-000

Laird - Performance Materials

FERRITE CORE 143 OHM SOLID 3.8MM

0

74278083

74278083

Würth Elektronik Midcom

FERRITE CORE 32 OHM SOLID

91

ESD-R-421617H-NC23

ESD-R-421617H-NC23

KEMET

NANOCRYSTAL TROIDS CASED 16.7MM

38

2673000201

2673000201

Fair-Rite Products Corp.

FERRITE CORE SOLID 1.09MM

43218

28A0392-0A0

28A0392-0A0

Laird - Performance Materials

FERRITE CORE 170 OHM HINGED

5662

TC28B0642

TC28B0642

Leader Tech Inc.

FERRITE CORE 100OHM CLAMP 8.13MM

314

5968021001

5968021001

Fair-Rite Products Corp.

FERRITE CORE

469

2631625002

2631625002

Fair-Rite Products Corp.

FERRITE CORE 130OHM SOLID 7.93MM

11350

28B0563-100

28B0563-100

Laird - Performance Materials

FERRITE CORE 217 OHM SOLID

3721

28R0315-200

28R0315-200

Laird - Performance Materials

FERRITE CORE 102 OHM SOLID

0

ESD-R-31SR

ESD-R-31SR

KEMET

MN-ZN FERRITE HIGH Z TROIDS/RING

74

28S2011-0P0

28S2011-0P0

Laird - Performance Materials

FERRITE CORE 280 OHM CLIP

498

ESD-FPD-34

ESD-FPD-34

KEMET

FERRITE CORE CLIP 48.3MM X 2MM

247

2643801102

2643801102

Fair-Rite Products Corp.

FERRITE CORE 41OHM SOLID 7.93MM

5789

2661023801

2661023801

Fair-Rite Products Corp.

FERRITE CORE 210OHM SOLID 1.58MM

239

74277233

74277233

Würth Elektronik Midcom

FERRITE CORE 40 OHM SOLID 4.8MM

3396

74270112

74270112

Würth Elektronik Midcom

FERRITE CORE 75 OHM SOLID 5MM

896

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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