Cable Ferrites

Part Number	Description / PDF	Quantity
28R1517-000 Laird - Performance Materials	FERRITE CORE 230 OHM SOLID	439
28R0669-000 Laird - Performance Materials	FERRITE CORE 110 OHM SOLID	31243
28B0384-200 Laird - Performance Materials	FERRITE CORE 322 OHM SOLID 3.8MM	34754
HFA100035-0A2 Laird - Performance Materials	FERRITE CORE 172 OHM HINGED	0
HFB160093-200 Laird - Performance Materials	FERRITE CORE 120 OHM SOLID	100
28R1261-200 Laird - Performance Materials	FERRITE CORE 135 OHM SOLID	5029
28R0592-010 Laird - Performance Materials	FERRITE CORE 227 OHM SOLID	2244
28B0616-000 Laird - Performance Materials	FERRITE CORE 310 OHM SOLID	0
28S2011-0M0 Laird - Performance Materials	FERRITE CORE 280 OHM CLIP	1616
28A2307-0A2 Laird - Performance Materials	FERRITE CORE 183 OHM HINGED 7MM	3246
HFA163090-0A2 Laird - Performance Materials	FERRITE CORE 210 OHM HINGED	1185
28B0686-200 Laird - Performance Materials	FERRITE CORE 242 OHM SOLID	2141
28S2023-0M0 Laird - Performance Materials	FERRITE CORE 250 OHM CLIP	0
LFB290190-000 Laird - Performance Materials	FERRITE CORE 22 OHM SOLID	13729
28B1122-100 Laird - Performance Materials	FERRITE CORE 307 OHM SOLID	0
28R1127-000 Laird - Performance Materials	FERRITE CORE 220 OHM SOLID	10752
HFA150066-0A2 Laird - Performance Materials	FERRITE CORE 274 OHM HINGED	0
HFB075024-000 Laird - Performance Materials	FERRITE CORE 124 OHM SOLID 2.4MM	0
28A1507-0A2 Laird - Performance Materials	FERRITE CORE 123 OHM HINGED 7MM	0
28B0339-000 Laird - Performance Materials	FERRITE CORE 143 OHM SOLID 3.8MM	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

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