Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
28R1953-000

28R1953-000

Laird - Performance Materials

FERRITE CORE 127 OHM SOLID

3396

74278081

74278081

Würth Elektronik Midcom

FERRITE CORE 19 OHM SOLID

0

ESD-R-12M-H

ESD-R-12M-H

KEMET

MN-ZN FERRITE TROIDS CASED 5MM U

489

74270015

74270015

Würth Elektronik Midcom

FERRITE CORE 95 OHM SOLID 2MM

3378

5975007601

5975007601

Fair-Rite Products Corp.

FERRITE CORE

734

28R2170-000

28R2170-000

Laird - Performance Materials

FERRITE CORE 280 OHM SOLID

3212

ESD-SR-150

ESD-SR-150

KEMET

FERRITE CORE HINGED 7MM

0

742701112

742701112

Würth Elektronik Midcom

FERRITE CORE 127 OHM SOLID

582

ESD-SR-100G

ESD-SR-100G

KEMET

CORE

213

74270063

74270063

Würth Elektronik Midcom

WE-AFB EMI SUPPRESSION AXIAL FER

223

HFB170070-000

HFB170070-000

Laird - Performance Materials

FERRITE CORE 97 OHM SOLID 7.01MM

1593

74270181

74270181

Würth Elektronik Midcom

FERRITE CORE 83 OHM SOLID 10.7MM

68

0461164281

0461164281

Fair-Rite Products Corp.

FERRITE 230OHM HINGED 6.60MM

49646

74272591

74272591

Würth Elektronik Midcom

WE-SFA SPLIT EMI SUPPRESSION FLA

0

2675821502

2675821502

Fair-Rite Products Corp.

75 ROUND CABLE CORE

1677

28R1775-000

28R1775-000

Laird - Performance Materials

FERRITE CORE 260 OHM SOLID

86

5943002701

5943002701

Fair-Rite Products Corp.

FERRITE CORE

4604

28R1102-100

28R1102-100

Laird - Performance Materials

FERRITE CORE 192 OHM SOLID

29987

74270091

74270091

Würth Elektronik Midcom

FERRITE CORE 170 OHM SOLID 9.5MM

2861

28R0984-000

28R0984-000

Laird - Performance Materials

FERRITE CORE 220 OHM SOLID

20193

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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