Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
28A2307-0A2

28A2307-0A2

Laird - Performance Materials

FERRITE CORE 183 OHM HINGED 7MM

3246

74271111

74271111

Würth Elektronik Midcom

FERRITE CORE 320 OHM HINGED 5MM

5681

2643166851

2643166851

Fair-Rite Products Corp.

FERRITE 235OHM CLIP 26.67X0.84MM

867

ESD-R-12E

ESD-R-12E

KEMET

FERRITE CORE SOLID 7.3MM

195

74278031

74278031

Würth Elektronik Midcom

FERRITE CORE 80 OHM SOLID

0

74271112

74271112

Würth Elektronik Midcom

FERRITE CORE 321 OHM HINGED 6MM

2389

HFA163090-0A2

HFA163090-0A2

Laird - Performance Materials

FERRITE CORE 210 OHM HINGED

1185

28B0686-200

28B0686-200

Laird - Performance Materials

FERRITE CORE 242 OHM SOLID

2141

ZCAT2436-1330A-BK

ZCAT2436-1330A-BK

TDK Corporation

FERRITE CORE 80 OHM HINGED 13MM

458

ESD-R-12S

ESD-R-12S

KEMET

FERRITE CORE SOLID 7MM

12

ESD-SR-S47M

ESD-SR-S47M

KEMET

MN-ZN FERRITE SNAP ON 26MM UL94

0

BF1125-3

BF1125-3

API Delevan

FERRITE CORE 191 OHM HINGED

3836

7427153S

7427153S

Würth Elektronik Midcom

FERRITE CORE 165 OHM HINGED 8MM

748

2643250402

2643250402

Fair-Rite Products Corp.

FERRITE CORE 102OHM SOLID 3.18MM

38737

74278032

74278032

Würth Elektronik Midcom

FERRITE CORE 74 OHM SOLID

110

28S2023-0M0

28S2023-0M0

Laird - Performance Materials

FERRITE CORE 250 OHM CLIP

0

74271131S

74271131S

Würth Elektronik Midcom

FERRITE CORE 246 OHM HINGED

348

LFB290190-000

LFB290190-000

Laird - Performance Materials

FERRITE CORE 22 OHM SOLID

13729

ESD-FPL-32-12

ESD-FPL-32-12

KEMET

NI-ZN FOR FLAT CABLE, BARE 28.0

634

ESD-FPL-32-8

ESD-FPL-32-8

KEMET

FERRITE CORE SOLID 28MM X 0.8MM

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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