Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
2643101902

2643101902

Fair-Rite Products Corp.

FERRITE 230OHM SOLID 13.79MM

2120

LFB220140-000

LFB220140-000

Laird - Performance Materials

FERRITE CORE 28 OHM SOLID 14MM

0

ESD-R-38B

ESD-R-38B

KEMET

FERRITE CORE CLAMP 17.9MM

81

2675023002

2675023002

Fair-Rite Products Corp.

FERRITE CORE SOLID 5.11MM

137

ZCAT3618-2630D

ZCAT3618-2630D

TDK Corporation

FERRITE CORE 30 OHM HINGED

14994

ESD-R-47N-H

ESD-R-47N-H

KEMET

NI-ZN FERRITE TROIDS CASED 24.4M

74

0443625006

0443625006

Fair-Rite Products Corp.

FERRITE 113OHM HINGED 7.90MM

5631

2843010302

2843010302

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

6191

0446167251

0446167251

Fair-Rite Products Corp.

46 ROUND CABLE CORE ASSEMBLY

6559

ZCAT2032-0930

ZCAT2032-0930

TDK Corporation

FERRITE CORE 100 OHM HINGED 9MM

283

ESD-R-25L-A

ESD-R-25L-A

KEMET

FERRITE CORE SOLID 15.1MM

533

2643001601

2643001601

Fair-Rite Products Corp.

FERRITE CORE 30OHM SOLID 1.78MM

50118

2643164251

2643164251

Fair-Rite Products Corp.

FERRITE CABLE CORES

67

0475167281

0475167281

Fair-Rite Products Corp.

FERRITE CORE HINGED 10.16MM

1114

ESD-FPL-27-8

ESD-FPL-27-8

KEMET

NI-ZN FOR FLAT CABLE, BARE 22.0

386

ESD-R-57SR-P

ESD-R-57SR-P

KEMET

MN-ZN FERRITE HIGH Z TROIDS COAT

25

782013044095

782013044095

Würth Elektronik Midcom

FERRITE CORE 84 OHM SOLID 4.75MM

300

ESD-R-19B

ESD-R-19B

KEMET

FERRITE CORE CLAMP 8.8MM

216

74278011

74278011

Würth Elektronik Midcom

FERRITE CORE 64 OHM SOLID

0

28B1142-000

28B1142-000

Laird - Performance Materials

FERRITE CORE 85 OHM SOLID 19MM

557

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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