Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
74270057

74270057

Würth Elektronik Midcom

FERRITE CORE 338 OHM SOLID

776

7427155

7427155

Würth Elektronik Midcom

FERRITE CORE 110 OHM HINGED 27MM

1786

742700781

742700781

Würth Elektronik Midcom

WE-AFB EMI SUPPRESSION AXIAL FER

345

74272131

74272131

Würth Elektronik Midcom

STAR-TEC LFS SNAP FERRITE WITH S

178

742701110

742701110

Würth Elektronik Midcom

FERRITE CORE 153 OHM SOLID 18MM

177

74270001

74270001

Würth Elektronik Midcom

FERRITE CORE 52 OHM SOLID 0.76MM

1187

74270161

74270161

Würth Elektronik Midcom

FERRITE CORE 37 OHM SOLID 5MM

1007

74270119

74270119

Würth Elektronik Midcom

FERRITE CORE 133 OHM SOLID

0

742700790

742700790

Würth Elektronik Midcom

WE-AFB EMI SUPPRESSION AXIAL FER

730

74270121

74270121

Würth Elektronik Midcom

FERRITE CORE 50 OHM SOLID 11.5MM

300

74271722S

74271722S

Würth Elektronik Midcom

STAR-FIX SNAP FERRITE WITH FLEXI

90

74270052

74270052

Würth Elektronik Midcom

FERRITE CORE 170 OHM SOLID 8MM

1683

74270111

74270111

Würth Elektronik Midcom

FERRITE CORE 50 OHM SOLID 3.3MM

6

7427004

7427004

Würth Elektronik Midcom

FERRITE CORE 258 OHM SOLID 6.3MM

424

74270011

74270011

Würth Elektronik Midcom

FERRITE CORE 41 OHM SOLID 1.6MM

971

7427809

7427809

Würth Elektronik Midcom

FERRITE CORE 50 OHM SOLID

135

74277290

74277290

Würth Elektronik Midcom

FERRITE CORE 50 OHM SOLID 12.8MM

170

7427141

7427141

Würth Elektronik Midcom

SNAP-RING SNAP FERRITE WITH PLAS

0

782013086280

782013086280

Würth Elektronik Midcom

FERRITE CORE 205 OHM SOLID 9MM

0

74278041

74278041

Würth Elektronik Midcom

FERRITE CORE 20 OHM SOLID

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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