Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
742700726

742700726

Würth Elektronik Midcom

FERRITE CORE 278 OHM SOLID 4MM

400

74272475

74272475

Würth Elektronik Midcom

FERRITE CORE 114 OHM HINGED

4

74277255

74277255

Würth Elektronik Midcom

FERRITE CORE 60 OHM SOLID 10.2MM

51

74270010

74270010

Würth Elektronik Midcom

FERRITE CORE 55 OHM SOLID 1.2MM

1000

74271358

74271358

Würth Elektronik Midcom

FERRITE CORE 98 OHM CLAMP 27.5MM

16

7427155S

7427155S

Würth Elektronik Midcom

FERRITE CORE 110 OHM HINGED 27MM

37

74270051

74270051

Würth Elektronik Midcom

WE-AFB EMI SUPPRESSION AXIAL FER

0

742701716

742701716

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

2837

782013046250

782013046250

Würth Elektronik Midcom

FERRITE CORE 255 OHM SOLID 5MM

41

7427217

7427217

Würth Elektronik Midcom

WE-FLAT FLAT FERRITE CORE Z 25 M

440

74270044

74270044

Würth Elektronik Midcom

FERRITE CORE 451 OHM SOLID

58

782114155200

782114155200

Würth Elektronik Midcom

WE-TEFA TOROIDAL EMI SUPPRESSION

36

74270023

74270023

Würth Elektronik Midcom

FERRITE CORE 160 OHM SOLID 4MM

7438

782013079285

782013079285

Würth Elektronik Midcom

FERRITE CORE 200 OHM SOLID 8.2MM

3

74271251S

74271251S

Würth Elektronik Midcom

FERRITE 525OHM HINGED 24.99MM

60

782013076285

782013076285

Würth Elektronik Midcom

FERRITE CORE 240 OHM SOLID 8MM

11

74272221

74272221

Würth Elektronik Midcom

STAR-TEC LFS SNAP FERRITE WITH S

217

7427729

7427729

Würth Elektronik Midcom

FERRITE CORE 60 OHM SOLID 9.5MM

0

74271222S

74271222S

Würth Elektronik Midcom

FERRITE CORE 265 OHM HINGED

940

74271221S

74271221S

Würth Elektronik Midcom

FERRITE CORE 270 OHM HINGED

0

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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