Cable Ferrites

Part Number	Description / PDF	Quantity
28A2005-0A2 Laird - Performance Materials	FERRITE CORE 190 OHM HINGED 5MM	0
28R0756-200 Laird - Performance Materials	FERRITE CORE 140 OHM SOLID	3172
HFB123049-300 Laird - Performance Materials	FERRITE CORE 258 OHM SOLID	377
28R1240-010 Laird - Performance Materials	FERRITE CORE 211 OHM SOLID	0
LFB259128-000 Laird - Performance Materials	FERRITE CORE 62 OHM SOLID	0
28B0625-000 Laird - Performance Materials	FERRITE CORE 163 OHM SOLID	12093
28B1540-000 Laird - Performance Materials	FERRITE CORE 254 OHM SOLID	0
28R1141-010 Laird - Performance Materials	FERRITE CORE 168 OHM SOLID	0
28B0384-000 Laird - Performance Materials	FERRITE CORE 159 OHM SOLID 3.8MM	18976
HFA259131-0A2 Laird - Performance Materials	FERRITE CORE 250 OHM HINGED	253
LFB180100-000 Laird - Performance Materials	FERRITE CORE 29 OHM SOLID 10MM	3802
28B1531-000 Laird - Performance Materials	FERRITE CORE 210 OHM SOLID	515
28R1101-000 Laird - Performance Materials	FERRITE CORE 140 OHM SOLID	984
HFB157070-000 Laird - Performance Materials	FERRITE CORE 170 OHM SOLID	0
28R1340-200 Laird - Performance Materials	FERRITE CORE 220 OHM SOLID	2184
28R1654-010 Laird - Performance Materials	FERRITE CORE 84 OHM SOLID	0
28B2000-100 Laird - Performance Materials	FERRITE CORE 305 OHM SOLID	22
28R0480-000 Laird - Performance Materials	FERRITE CORE 190 OHM SOLID	15138
28B1417-200 Laird - Performance Materials	FERRITE CORE 115 OHM SOLID 23MM	0
HFB143064-300 Laird - Performance Materials	FERRITE CORE 270 OHM SOLID	4375

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