Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
28R1128-100

28R1128-100

Laird - Performance Materials

FERRITE CORE 204 OHM SOLID

0

28B1020-300

28B1020-300

Laird - Performance Materials

FERRITE CORE SOLID

0

HFB095052-100

HFB095052-100

Laird - Performance Materials

FERRITE CORE HINGED

0

28R1340-100

28R1340-100

Laird - Performance Materials

CABLE CORE RIBBON/FLEX 28.00MM R

0

28B0157-100

28B0157-100

Laird - Performance Materials

FERRITE CORE 121 OHM SOLID 2MM

0

28B1122-300

28B1122-300

Laird - Performance Materials

FERRITE CORE 210 OHM SOLID

0

40U1260-180

40U1260-180

Laird - Performance Materials

FERRITE CORE FOR AUTOMOTIVE BUSB

0

28R1128-200

28R1128-200

Laird - Performance Materials

FERRITE CORE 145 OHM SOLID

0

28R0945-000

28R0945-000

Laird - Performance Materials

FERRITE CORE

0

28B1387-000

28B1387-000

Laird - Performance Materials

FERRITE CORE SOLID

0

28B1250-00G

28B1250-00G

Laird - Performance Materials

FERRITE CORE SOLID

0

28B0394-000

28B0394-000

Laird - Performance Materials

FERRITE CORE 86 OHM SOLID 5MM

0

28A0807-0A0

28A0807-0A0

Laird - Performance Materials

FCCRND,SPL,BB,CSWH 20.5X9.85X37.

0

28R0614-300

28R0614-300

Laird - Performance Materials

FERRITE CORE 125 OHM SOLID

0

28R1022-000

28R1022-000

Laird - Performance Materials

FERRITE CORE 91 OHM SOLID

0

28R0898-000

28R0898-000

Laird - Performance Materials

FERRITE CORE SOLID

0

35U1260-120

35U1260-120

Laird - Performance Materials

FERRITE CORE FOR AUTOMOTIVE BUSB

0

28S2012-000

28S2012-000

Laird - Performance Materials

FERRITE CORE CLIP

0

28B0306-000

28B0306-000

Laird - Performance Materials

FERRITE CORE SOLID

0

28R1319-000

28R1319-000

Laird - Performance Materials

FERRITE CORE 117 OHM SOLID

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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