Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
28B0735-000

28B0735-000

Laird - Performance Materials

FERRITE CORE 250 OHM SOLID

0

74272593

74272593

Würth Elektronik Midcom

WE-SFA SPLIT EMI SUPPRESSION FLA

0

28R1800-010

28R1800-010

Laird - Performance Materials

FERRITE CORE 260 OHM SOLID

0

2643164051

2643164051

Fair-Rite Products Corp.

FERRITE 290OHM CLIP 65.28X0.84MM

0

7427804

7427804

Würth Elektronik Midcom

FERRITE CORE 127 OHM SOLID

0

7427010

7427010

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

676

SS28B2031

SS28B2031

Leader Tech Inc.

FERRITE 200OHM HINGED 5.80MM

0

ESD-R-613325H-NC23

ESD-R-613325H-NC23

KEMET

NANOCRYSTAL TROIDS CASED 33.2MM

59

28A2432-0A2

28A2432-0A2

Laird - Performance Materials

FERRITE CORE 160 OHM HINGED

2404

28A3039-0A2

28A3039-0A2

Laird - Performance Materials

FERRITE CORE 130 OHM HINGED

0

28B0625-100

28B0625-100

Laird - Performance Materials

FERRITE CORE 280 OHM SOLID

1507

ZCAT1518-0730

ZCAT1518-0730

TDK Corporation

FERRITE CORE 50 OHM HINGED 7MM

6122

ZCAT2035-0930A

ZCAT2035-0930A

TDK Corporation

FERRITE CORE 100 OHM HINGED 9MM

0

2677006302

2677006302

Fair-Rite Products Corp.

FERRITE CORE 33OHM SOLID 4.90MM

3190

742701712

742701712

Würth Elektronik Midcom

WE-TOF EMI SUPPRESSION TOROIDAL

529

2631540002

2631540002

Fair-Rite Products Corp.

FERRITE CORE 300OHM SOLID 6.35MM

86304

2631103002

2631103002

Fair-Rite Products Corp.

FERRITE 340OHM SOLID 19.56MM

5333

2643665802

2643665802

Fair-Rite Products Corp.

FERRITE CORE 88OHM SOLID 9.53MM

38806

2861002302

2861002302

Fair-Rite Products Corp.

61 MULTI-APERTURE CORE

10120

28B2400-000

28B2400-000

Laird - Performance Materials

FERRITE CORE 135 OHM SOLID

593

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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