Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
74270014

74270014

Würth Elektronik Midcom

FERRITE CORE 68 OHM SOLID 2MM

585

74270095

74270095

Würth Elektronik Midcom

FERRITE CORE 153 OHM SOLID 18MM

250

7427227

7427227

Würth Elektronik Midcom

FERRITE CORE 44 OHM SOLID

0

74270061

74270061

Würth Elektronik Midcom

FERRITE CORE 120 OHM SOLID

0

7427727

7427727

Würth Elektronik Midcom

FERRITE CORE 100 OHM SOLID

3908

742700381

742700381

Würth Elektronik Midcom

WE-AFB EMI SUPPRESSION AXIAL FER

0

74271221

74271221

Würth Elektronik Midcom

FERRITE CORE 270 OHM HINGED

1197

74270017

74270017

Würth Elektronik Midcom

FERRITE CORE 145 OHM SOLID

2655

7427154S

7427154S

Würth Elektronik Midcom

FERRITE CORE 130 OHM HINGED 16MM

57

74270120

74270120

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

675

74270034

74270034

Würth Elektronik Midcom

FERRITE CORE 160 OHM SOLID 7.3MM

4795

74271308

74271308

Würth Elektronik Midcom

FERRITE CORE 93 OHM CLAMP 8.2MM

195

782013069155

782013069155

Würth Elektronik Midcom

FERRITE CORE 100 OHM SOLID 7.3MM

141

7427011

7427011

Würth Elektronik Midcom

FERRITE CORE 148 OHM SOLID 8MM

98

782114155130

782114155130

Würth Elektronik Midcom

WE-TEFA TOROIDAL EMI SUPPRESSION

75

7427220

7427220

Würth Elektronik Midcom

FERRITE CORE 90 OHM SOLID

74

782013069285

782013069285

Würth Elektronik Midcom

FERRITE CORE 270 OHM SOLID 7.3MM

125

7427807

7427807

Würth Elektronik Midcom

FERRITE CORE 66 OHM SOLID

0

74271131

74271131

Würth Elektronik Midcom

FERRITE CORE 246 OHM HINGED

5910

74270115

74270115

Würth Elektronik Midcom

FERRITE CORE 167 OHM SOLID 19MM

414

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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