Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
7427015

7427015

Würth Elektronik Midcom

FERRITE CORE 108 OHM SOLID

718

742701121

742701121

Würth Elektronik Midcom

FERRITE CORE 123 OHM SOLID 5MM

1410

74270182

74270182

Würth Elektronik Midcom

FERRITE CORE 65 OHM SOLID 10.2MM

305

782013068250

782013068250

Würth Elektronik Midcom

FERRITE CORE 210 OHM SOLID 7.2MM

19

7427223

7427223

Würth Elektronik Midcom

FERRITE CORE 48 OHM SOLID

32

782114075063

782114075063

Würth Elektronik Midcom

WE-TEFA TOROIDAL EMI SUPPRESSION

1

74270060

74270060

Würth Elektronik Midcom

FERRITE CORE 192 OHM SOLID 6.3MM

144

7427153

7427153

Würth Elektronik Midcom

FERRITE CORE 165 OHM HINGED 8MM

1370

74271733

74271733

Würth Elektronik Midcom

FERRITE CORE 246 OHM HINGED 8MM

757

74271633S

74271633S

Würth Elektronik Midcom

FERRITE CORE 100 OHM HINGED 8MM

2338

7427806

7427806

Würth Elektronik Midcom

FERRITE CORE 65 OHM SOLID

0

74272590

74272590

Würth Elektronik Midcom

WE-SFA SPLIT EMI SUPPRESSION FLA

43

74278043

74278043

Würth Elektronik Midcom

FERRITE CORE 31 OHM SOLID

0

74270055

74270055

Würth Elektronik Midcom

FERRITE CORE 225 OHM SOLID

3240

74270035

74270035

Würth Elektronik Midcom

FERRITE CORE 275 OHM SOLID 6.9MM

289

74272733

74272733

Würth Elektronik Midcom

FERRITE CORE 62 OHM HINGED 8MM

5309

742700713

742700713

Würth Elektronik Midcom

FERRITE CORE 58 OHM SOLID 1.3MM

1000

74271211S

74271211S

Würth Elektronik Midcom

FERRITE CORE 425 OHM HINGED 21MM

134

742700727

742700727

Würth Elektronik Midcom

FERRITE CORE 115 OHM SOLID 4.2MM

592

74271733S

74271733S

Würth Elektronik Midcom

SNAP FERRITE W/FLEXIBLE CABLE FI

38

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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