Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
7427214

7427214

Würth Elektronik Midcom

FERRITE CORE 66 OHM SOLID

95

28R0614-100

28R0614-100

Laird - Performance Materials

FERRITE CORE 98 OHM SOLID

0

ZCAT1325-0530A-BK

ZCAT1325-0530A-BK

TDK Corporation

FERRITE CORE 100 OHM HINGED 5MM

17510

74270073

74270073

Würth Elektronik Midcom

FERRITE CORE 50 OHM SOLID 1.2MM

138

74271318

74271318

Würth Elektronik Midcom

FERRITE CORE 106 OHM CLAMP 8.2MM

82

2643002402

2643002402

Fair-Rite Products Corp.

FERRITE CORE 43OHM SOLID 5.00MM

398

782114076130

782114076130

Würth Elektronik Midcom

WE-TEFA TOROIDAL EMI SUPPRESSION

1104

5977001701

5977001701

Fair-Rite Products Corp.

FERRITE CORE

320

2661102402

2661102402

Fair-Rite Products Corp.

61 ROUND CABLE CORE

317

2643171051

2643171051

Fair-Rite Products Corp.

FERRITE 112OHM CLIP 26.67X0.84MM

1256

28B0773-050

28B0773-050

Laird - Performance Materials

FERRITE CORE 141 OHM SOLID

0

5977001801

5977001801

Fair-Rite Products Corp.

FERRITE CORE

8639

7427247

7427247

Würth Elektronik Midcom

FERRITE CORE 192 OHM HINGED

16

SE28B4340

SE28B4340

Leader Tech Inc.

FERRITE 325OHM CLAMP 82.3X2.64MM

0

2661000301

2661000301

Fair-Rite Products Corp.

FERRITE CORE 54OHM SOLID 1.30MM

84882

ESD-R-26S

ESD-R-26S

KEMET

FERRITE CORE SOLID 13MM

0

2643626102

2643626102

Fair-Rite Products Corp.

43 ROUND CABLE CORE

0

ESD-R-12D

ESD-R-12D

KEMET

FERRITE CORE SOLID 6MM

1623

2861000302

2861000302

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

743

28R1127-2

28R1127-2

Leader Tech Inc.

FERRITE 151OHM SOLID 23.5X1.68MM

393

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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