Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
742701716

742701716

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

2837

2631814002

2631814002

Fair-Rite Products Corp.

FERRITE 175OHM SOLID 76.20MM

0

28A0593-0A2

28A0593-0A2

Laird - Performance Materials

FERRITE CORE 407 OHM HINGED

5418

28S2022-0M0

28S2022-0M0

Laird - Performance Materials

FERRITE CORE 250 OHM CLIP

894

2843003102

2843003102

Fair-Rite Products Corp.

FERRITE CABLE CORES

1595

2675665702

2675665702

Fair-Rite Products Corp.

FERRITE CORE SOLID 9.50MM

111

5975001101

5975001101

Fair-Rite Products Corp.

FERRITE CORE

9922

28B0473-000

28B0473-000

Laird - Performance Materials

FERRITE CORE 195 OHM SOLID

7057

782013046250

782013046250

Würth Elektronik Midcom

FERRITE CORE 255 OHM SOLID 5MM

41

28R0453-300

28R0453-300

Laird - Performance Materials

FERRITE CORE 160 OHM SOLID

0

28A2809-0A2

28A2809-0A2

Laird - Performance Materials

FERRITE CORE 220 OHM HINGED 9MM

2635

LFB159079-000

LFB159079-000

Laird - Performance Materials

FERRITE CORE 100 OHM SOLID

14177

7427217

7427217

Würth Elektronik Midcom

WE-FLAT FLAT FERRITE CORE Z 25 M

440

B-20L-34

B-20L-34

KEMET

FERRITE CORE SOLID 0.8MM

3932

2631480002

2631480002

Fair-Rite Products Corp.

FERRITE CORE 295OHM SOLID 5.08MM

42311

ESD-R-47D-1

ESD-R-47D-1

KEMET

FERRITE CORE SOLID 25.5MM

64

ESD-R-25D-1

ESD-R-25D-1

KEMET

NI-ZN TOROIDAL, WITH CASE AND TA

295

ESD-FPL-40-15

ESD-FPL-40-15

KEMET

NI-ZN FOR FLAT CABLE, BARE 34.8

188

74270044

74270044

Würth Elektronik Midcom

FERRITE CORE 451 OHM SOLID

58

5961000601

5961000601

Fair-Rite Products Corp.

FERRITE CORE

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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