Multiline EMI Ferrite FB1111-4W-102Y

Ferrite bead for power line filtering

Signal line filtering ferrite bead

Basic Infomation

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Multiline EMI Suppression Ferrite FB1111-4W-102Y for Power Line and Signal Line Filtering

Product Description

The FB1111-4W-102Y multiline EMI suppression ferrite features a current-compensated structure, integrating four winding sets into a single component to effectively suppress common-mode noise on multiple power lines. Rated current: 4A. Impedance: 170-350Ω @100MHz. DCR: <2mΩ. The ultra-low DCR ensures minimal power loss. It is suitable for various applications requiring multi-channel power EMI filtering, effectively reducing electromagnetic interference and helping products meet EMC compliance requirements. It is widely used in communication equipment, power supply systems, industrial control, and multi-channel power filtering applications.

Features

Number of windings – 4 channels (quad-winding)
Rated current – 4A
Impedance range – 170-350Ω @100MHz
DCR – <2mΩ
Structure type – current-compensated
Common-mode noise suppression – excellent
Low-loss design
High reliability

Product Specification Selection Table

Parameter	Specification
Model	FB1111-4W-102Y
Number of Windings	4 channels (quad-winding)
Rated Current	4A
Impedance	170-350Ω @ 100MHz
DCR	<2mΩ
Structure Type	Current-compensated
Application	Power line EMI suppression

Applications

Multi-channel power line EMI filtering
Communication equipment power supplies
Industrial control systems
Server power supplies
Network equipment power supplies
Medical equipment power supplies
Test and measurement instruments
Consumer electronics power supplies

FAQ

Q: What is the difference between a 4-winding common-mode choke and a 2-winding one?

A: A 4-winding common-mode choke integrates four independent windings into a single component. It can simultaneously filter common-mode noise on four power or signal lines, saving PCB space and improving integration. A 2-winding version can only handle single or dual-channel filtering.

Q: What are the advantages of a current-compensated structure?

A: The current-compensated structure uses the principle of two windings wound in opposite directions. Magnetic fluxes from differential-mode currents cancel each other out, while magnetic fluxes from common-mode noise add up and are absorbed by the core. This effectively suppresses common-mode noise while having almost no effect on differential-mode signals.

Q: How long is the delivery time and what packaging methods are used?

A: The standard lead time is 2-8 weeks after order confirmation, depending on product specifications and order quantity. Products are securely packed with cartons, foam, pallets, wrapping film, and fixing straps to ensure safe international transportation.

Tag:

Contact Person :	Jack wang
Tel :	13909218465
Fax :	86-029-87851840

Multiline EMI Suppression Ferrite FB1111-4W-102Y for Power Line and Signal Line Filtering

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