Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
782013059285

782013059285

Würth Elektronik Midcom

FERRITE CORE 270 OHM SOLID 6.3MM

123

2631102002

2631102002

Fair-Rite Products Corp.

FERRITE 260OHM SOLID 12.83MM

13408

74270057

74270057

Würth Elektronik Midcom

FERRITE CORE 338 OHM SOLID

776

7427155

7427155

Würth Elektronik Midcom

FERRITE CORE 110 OHM HINGED 27MM

1786

JB28B0010

JB28B0010

Leader Tech Inc.

FERRITE 160OHM HINGED 7.40MM

0

ESD-R-47-P

ESD-R-47-P

KEMET

MN-ZN TOROIDAL, COATED 26MM

59

28S2001-2A2

28S2001-2A2

Laird - Performance Materials

FERRITE CORE 230 OHM HINGED

0

742700781

742700781

Würth Elektronik Midcom

WE-AFB EMI SUPPRESSION AXIAL FER

345

ESD-FPL-7

ESD-FPL-7

KEMET

FERRITE CORE SOLID 23.5 X 1.5MM

492

ESD-R-17S

ESD-R-17S

KEMET

FERRITE CORE SOLID 9.5MM

0

74272131

74272131

Würth Elektronik Midcom

STAR-TEC LFS SNAP FERRITE WITH S

178

742701110

742701110

Würth Elektronik Midcom

FERRITE CORE 153 OHM SOLID 18MM

177

74270001

74270001

Würth Elektronik Midcom

FERRITE CORE 52 OHM SOLID 0.76MM

1187

ESD-FPL-28-10

ESD-FPL-28-10

KEMET

NI-ZN FOR FLAT CABLE, BARE 24.0

2339

ESD-R-47S

ESD-R-47S

KEMET

MN-ZN TOROIDAL, BARE 27MM

40

2643003201

2643003201

Fair-Rite Products Corp.

FERRITE CORE 88OHM SOLID 2.67MM

8151

ZCAT2017-0930B-BK

ZCAT2017-0930B-BK

TDK Corporation

FERRITE CORE 50 OHM HINGED 9MM

0

2643023201

2643023201

Fair-Rite Products Corp.

FERRITE CORE 30OHM SOLID 1.73MM

7435

2867000302

2867000302

Fair-Rite Products Corp.

FERRITE CORE MULTI-APERTURE

0

ESD-SR-160H

ESD-SR-160H

KEMET

FERRITE CORE HINGED 9MM

66

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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