Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
2873001802

2873001802

Fair-Rite Products Corp.

73 MULTI-APERTURE CORE

905

ZCAT2032-0930-BK

ZCAT2032-0930-BK

TDK Corporation

FERRITE CORE 100 OHM HINGED 9MM

476

74271633

74271633

Würth Elektronik Midcom

STAR-GAP SNAP FERRITE FOR RF APP

305

74271151S

74271151S

Würth Elektronik Midcom

FERRITE 417OHM HINGED 15.01MM

67

ESD-R-19D-B

ESD-R-19D-B

KEMET

FERRITE CORE CLAMP 8.8MM

32

2643626202

2643626202

Fair-Rite Products Corp.

FERRITE 336OHM SOLID 25.40MM

666

ESD-FPL-38-12

ESD-FPL-38-12

KEMET

NI-ZN FOR FLAT CABLE, BARE 34.0

476

5943001401

5943001401

Fair-Rite Products Corp.

FERRITE CORE

671

74271622

74271622

Würth Elektronik Midcom

STAR-GAP SNAP FERRITE FOR RF APP

517

0443665806

0443665806

Fair-Rite Products Corp.

FERRITE CORE 88OHM HINGED 9.50MM

1474

74270093

74270093

Würth Elektronik Midcom

FERRITE CORE 150 OHM SOLID

11845

28R0880-000

28R0880-000

Laird - Performance Materials

FERRITE CORE 187 OHM SOLID

0

ESD-R-15C

ESD-R-15C

KEMET

FERRITE CORE SOLID 10.5MM

1031

ESD-R-47B

ESD-R-47B

KEMET

FERRITE CORE CLAMP 25.5MM

74

2646665702

2646665702

Fair-Rite Products Corp.

46 ROUND CABLE CORE

1091

ZCAT2017-0930

ZCAT2017-0930

TDK Corporation

FERRITE CORE 50 OHM HINGED 9MM

10324

28B0686-100

28B0686-100

Laird - Performance Materials

FERRITE CORE 139 OHM SOLID

2824

7427803

7427803

Würth Elektronik Midcom

FERRITE CORE 66 OHM SOLID

0

5977001901

5977001901

Fair-Rite Products Corp.

FERRITE CORE

0

0431177081

0431177081

Fair-Rite Products Corp.

FERRITE 375OHM HINGED 25.65MM

8330

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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