Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
2661000101

2661000101

Fair-Rite Products Corp.

FERRITE CORE 30OHM SOLID 1.30MM

2715

2867002402

2867002402

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

18325

ESD-R-12CM

ESD-R-12CM

KEMET

NI-ZN TOROIDAL, COATED 7MM

0

2661480002

2661480002

Fair-Rite Products Corp.

FERRITE CORE 210OHM SOLID 5.08MM

3008

LFB143064-100

LFB143064-100

Laird - Performance Materials

FERRITE CORE 53 OHM SOLID 6.35MM

2869

28B0275-000

28B0275-000

Laird - Performance Materials

FERRITE CORE 146 OHM SOLID 3.8MM

14889

2643480102

2643480102

Fair-Rite Products Corp.

FERRITE CORE 121OHM SOLID 5.08MM

704

FA25B2480

FA25B2480

Leader Tech Inc.

FERRITE 790OHM CLMP 51.99X1.52MM

0

5968001801

5968001801

Fair-Rite Products Corp.

FERRITE CORE

2143

2873002702

2873002702

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

1209

2643800302

2643800302

Fair-Rite Products Corp.

FERRITE CORE 42OHM SOLID 7.16MM

2285

2643166551

2643166551

Fair-Rite Products Corp.

FERRITE 300OHM SOL 34.42X1.52MM

1572

B-20F-28

B-20F-28

KEMET

FERRITE CORE SOLID 1.3MM

60686

28B0631-100

28B0631-100

Laird - Performance Materials

FERRITE CORE 243 OHM SOLID

20128

ESD-R-38C-1

ESD-R-38C-1

KEMET

FERRITE CORE SOLID 17.5MM

187

ESD-FPL-13

ESD-FPL-13

KEMET

FERRITE CORE SOLID 18.8 X 1.1MM

739

74270025

74270025

Würth Elektronik Midcom

FERRITE CORE 136 OHM SOLID

362

ESD-SR-120G

ESD-SR-120G

KEMET

CORE

226

SS25B2032

SS25B2032

Leader Tech Inc.

FERRITE 510OHM HINGED 12.70MM

10

74271132

74271132

Würth Elektronik Midcom

FERRITE CORE 241 OHM HINGED

5268

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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