Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
74270053

74270053

Würth Elektronik Midcom

FERRITE CORE 258 OHM SOLID 8MM

8440

74270020

74270020

Würth Elektronik Midcom

FERRITE CORE 108 OHM SOLID 2.4MM

0

7427221

7427221

Würth Elektronik Midcom

FERRITE CORE 166 OHM SOLID

4396

74270012

74270012

Würth Elektronik Midcom

FERRITE CORE 47 OHM SOLID 1.6MM

4565

7427225

7427225

Würth Elektronik Midcom

FERRITE CORE 23.8MM 7MM 6.3MM

342

7427007141

7427007141

Würth Elektronik Midcom

FERRITE CORE 45 OHM SOLID 2MM

3899

742700221

742700221

Würth Elektronik Midcom

FERRITE CORE 45 OHM SOLID 4MM

5254

7427216

7427216

Würth Elektronik Midcom

FERRITE CORE 63 OHM SOLID

2468

74271833

74271833

Würth Elektronik Midcom

FERRITE CORE 113 OHM HINGED 8MM

0

74271132S

74271132S

Würth Elektronik Midcom

FERRITE CORE 241 OHM HINGED

3656

782013033150

782013033150

Würth Elektronik Midcom

FERRITE CORE 205 OHM SOLID

273

7427212

7427212

Würth Elektronik Midcom

WE-FLAT FLAT FERRITE CORE Z 25 M

100

74270037

74270037

Würth Elektronik Midcom

FERRITE CORE 199 OHM SOLID 5.6MM

2153

782013044095

782013044095

Würth Elektronik Midcom

FERRITE CORE 84 OHM SOLID 4.75MM

300

74278011

74278011

Würth Elektronik Midcom

FERRITE CORE 64 OHM SOLID

0

74272593

74272593

Würth Elektronik Midcom

WE-SFA SPLIT EMI SUPPRESSION FLA

0

7427804

7427804

Würth Elektronik Midcom

FERRITE CORE 127 OHM SOLID

0

7427010

7427010

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

676

742701712

742701712

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

529

74270021

74270021

Würth Elektronik Midcom

FERRITE CORE 88 OHM SOLID 3MM

3774

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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