Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
74271111S

74271111S

Würth Elektronik Midcom

FERRITE CORE 320 OHM HINGED 5MM

687

28A2738-0A2

28A2738-0A2

Laird - Performance Materials

FERRITE CORE 233 OHM HINGED 9MM

1685

28R0610-000

28R0610-000

Laird - Performance Materials

FERRITE CORE 80 OHM SOLID

4007

74272251

74272251

Würth Elektronik Midcom

STAR-TEC LFS SNAP FERRITE WITH S

54

ESD-R-19N-H

ESD-R-19N-H

KEMET

NI-ZN FERRITE TROIDS CASED 7.7MM

305

28A2025-0A0

28A2025-0A0

Laird - Performance Materials

FERRITE CORE 320 OHM HINGED

11497

ESD-R-10S

ESD-R-10S

KEMET

NI-ZN TOROIDAL, BARE 5.5MM

301

ESD-R-57D-1

ESD-R-57D-1

KEMET

FERRITE CORE SOLID 32.4MM

50

0461164181

0461164181

Fair-Rite Products Corp.

FERRITE 205OHM HINGED 13.06MM

16482

28S2022-0P0

28S2022-0P0

Laird - Performance Materials

FERRITE CORE 250 OHM CLIP

402

7427006

7427006

Würth Elektronik Midcom

FERRITE CORE 70 OHM SOLID 8.5MM

146

2646625102

2646625102

Fair-Rite Products Corp.

46 ROUND CABLE CORE

312

5961003801

5961003801

Fair-Rite Products Corp.

FERRITE CORE

17

HFA187102-0A2

HFA187102-0A2

Laird - Performance Materials

FERRITE CORE 220 OHM HINGED

5037

28B0562-300

28B0562-300

Laird - Performance Materials

FERRITE CORE 270 OHM SOLID

10022

ESD-R-47

ESD-R-47

KEMET

FERRITE CORE SOLID 25.5MM

27

ESD-SR-120

ESD-SR-120

KEMET

FERRITE CORE HINGED 6MM

3040

2643665902

2643665902

Fair-Rite Products Corp.

FERRITE CORE 44OHM SOLID 9.53MM

2331

0475164181

0475164181

Fair-Rite Products Corp.

FERRITE CORE HINGED 13.06MM

1567

BF3024

BF3024

API Delevan

FERRITE CORE 103 OHM HINGED

0

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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