Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
28A0640-0A0

28A0640-0A0

Laird - Performance Materials

FERRITE CORE 240 OHM HINGED

0

2643540402

2643540402

Fair-Rite Products Corp.

FERRITE CORE 215OHM SOLID 7.26MM

2937

0431164181

0431164181

Fair-Rite Products Corp.

FERRITE 260OHM HINGED 13.06MM

30032

74271221S

74271221S

Würth Elektronik Midcom

FERRITE CORE 270 OHM HINGED

0

0446176451

0446176451

Fair-Rite Products Corp.

46 ROUND CABLE CORE ASSEMBLY

360

7427015

7427015

Würth Elektronik Midcom

FERRITE CORE 108 OHM SOLID

718

2843001502

2843001502

Fair-Rite Products Corp.

FERRITE CORE 43 MULTI-APERTURE

3283

ESD-R-31-P

ESD-R-31-P

KEMET

MN-ZN TOROIDAL, COATED 19MM

36

742701121

742701121

Würth Elektronik Midcom

FERRITE CORE 123 OHM SOLID 5MM

1410

ESD-R-38SR

ESD-R-38SR

KEMET

MN-ZN FERRITE HIGH Z TROIDS/RING

74

2861000102

2861000102

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

8472

2643375102

2643375102

Fair-Rite Products Corp.

FERRITE CORE 50OHM SOLID 4.88MM

6486

5976000101

5976000101

Fair-Rite Products Corp.

FERRITE CORE

7125

HFB170070-100

HFB170070-100

Laird - Performance Materials

FERRITE CORE 185 OHM SOLID

0

2873006802

2873006802

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

545

ESD-R-12C

ESD-R-12C

KEMET

FERRITE CORE SOLID 7.3MM

4317

28B0315-000

28B0315-000

Laird - Performance Materials

FERRITE CORE 100 OHM SOLID

19333

ESD-FPL-18.7-3

ESD-FPL-18.7-3

KEMET

NI-ZN FOR FLAT CABLE, BARE 15.0

1530

2643004801

2643004801

Fair-Rite Products Corp.

FERRITE CORE 31OHM SOLID 0.86MM

234335

2643175451

2643175451

Fair-Rite Products Corp.

43 SPLIT SUPPRESSOR CORE

579

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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