Cable Ferrites

Part Number	Description / PDF	Quantity
28A0392-0A0 Laird - Performance Materials	FERRITE CORE 170 OHM HINGED	5662
28B0563-100 Laird - Performance Materials	FERRITE CORE 217 OHM SOLID	3721
28R0315-200 Laird - Performance Materials	FERRITE CORE 102 OHM SOLID	0
28S2011-0P0 Laird - Performance Materials	FERRITE CORE 280 OHM CLIP	498
HFB143064-100 Laird - Performance Materials	FERRITE CORE 85 OHM SOLID 6.35MM	6794
HFB123049-000 Laird - Performance Materials	FERRITE CORE 50 OHM SOLID 4.88MM	4210
HFA150068-0A2 Laird - Performance Materials	FERRITE CORE 275 OHM HINGED	2256
HFB160093-300 Laird - Performance Materials	FERRITE CORE 170 OHM SOLID	1270
28A0592-0A2 Laird - Performance Materials	FERRITE CORE 511 OHM HINGED	3792
28R1227-100 Laird - Performance Materials	FERRITE CORE 128 OHM SOLID	25420
28A0807-0A2 Laird - Performance Materials	FERRITE CORE 348 OHM HINGED 10MM	42587
HFB187102-100 Laird - Performance Materials	FERRITE CORE 205 OHM SOLID	890
28S2001-2A2 Laird - Performance Materials	FERRITE CORE 230 OHM HINGED	0
28R1127-400 Laird - Performance Materials	FERRITE CORE 150 OHM SOLID	10263
28R3149-000 Laird - Performance Materials	FERRITE CORE 135 OHM SOLID	619
28B1020-100 Laird - Performance Materials	FERRITE CORE 276 OHM SOLID	319
28B0473-200 Laird - Performance Materials	FERRITE CORE 424 OHM SOLID	0
28R1779-000 Laird - Performance Materials	FERRITE CORE 298 OHM SOLID	0
28A4155-0A2 Laird - Performance Materials	FERRITE CORE 120 OHM HINGED 15MM	15585
28R1779-100 Laird - Performance Materials	FERRITE CORE 170 OHM SOLID	1250

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

Type	Functional Characteristics	Application Examples
Split Core (Snap-on)	Easy installation without cable disassembly; moderate noise suppression	Consumer electronics power cables
Wound Type	Higher inductance through multiple turns; superior EMI filtering	Industrial motor drives
Flat Cable Ferrite	Low-profile design; optimized for ribbon cables	Computer peripheral cables
High-Frequency Ferrite	Effective at GHz frequencies; specialized material formulation	5G 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

Parameter	Description	Importance
Impedance (100MHz)	100 - 2500	Determines noise attenuation performance
Frequency Range	1MHz - 3GHz	Defines effective operation bandwidth
Temperature Stability	-40 C to +125 C	Ensures reliability in harsh environments
Cable Compatibility	2-15mm diameter	Installation 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

Manufacturer	Key Product	Features
TDK Corporation	DFE3D25E102MA2D	2500 @100MHz, 3GHz high-frequency performance
Murata Manufacturing	BLE21HG102MN1D	Compact 10.5 6.5mm size for automotive applications
Steward Components	28B2043-0A0	High-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