Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
ESD-R-25S

ESD-R-25S

KEMET

FERRITE CORE SOLID 15MM

281

2643540002

2643540002

Fair-Rite Products Corp.

FERRITE CORE 250OHM SOLID 6.35MM

28028

ESD-R-38D-B

ESD-R-38D-B

KEMET

FERRITE CORE CLAMP 17.9MM

230

28A2029-0A0

28A2029-0A0

Laird - Performance Materials

FERRITE CORE 250 OHM HINGED

0

ESD-R-47M-H

ESD-R-47M-H

KEMET

MN-ZN FERRITE TROIDS CASED 24.4M

0

2661375102

2661375102

Fair-Rite Products Corp.

FERRITE CORE 42OHM SOLID 4.88MM

7714

28R0453-200

28R0453-200

Laird - Performance Materials

FERRITE CORE 104 OHM SOLID

0

5961001901

5961001901

Fair-Rite Products Corp.

FERRITE CORE

0

74270182

74270182

Würth Elektronik Midcom

FERRITE CORE 65 OHM SOLID 10.2MM

305

ESD-R-57N-H

ESD-R-57N-H

KEMET

NI-ZN FERRITE TROIDS CASED 33.2M

15

782013068250

782013068250

Würth Elektronik Midcom

FERRITE CORE 210 OHM SOLID 7.2MM

19

ZCAT4625-3430D-BK

ZCAT4625-3430D-BK

TDK Corporation

FERRITE CORE 35 OHM HINGED

4062

0475176451

0475176451

Fair-Rite Products Corp.

FERRITE CORE HINGED 18.69MM

3427

ESD-R-19

ESD-R-19

KEMET

FERRITE CORE SOLID 9MM

449

ESD-R-38-P

ESD-R-38-P

KEMET

MN-ZN TOROIDAL, COATED 18MM

71

ESD-R-15C-1

ESD-R-15C-1

KEMET

FERRITE CORE SOLID 10.5MM

984

AB5X4X3DY

AB5X4X3DY

Toshiba Electronic Devices and Storage Corporation

FERRITE CORE SOLID

0

28R1450-100

28R1450-100

Laird - Performance Materials

FERRITE CORE 130 OHM SOLID

26414

2861006802

2861006802

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

0

5976000801

5976000801

Fair-Rite Products Corp.

FERRITE CORE

1655

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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