74270055

Overview

The Würth Elektronik part number 74270055 is an EMI suppression axial ferrite bead belonging to the WE-AFB series. It is constructed from 4W620 material and features a cylindrical core design intended for wire applications. The component provides an impedance of 133 Ohms at a test frequency of 25 MHz, with a maximum impedance value of 554 Ohms. These electrical characteristics define its performance in attenuating high-frequency noise within electronic circuits.

Feature Summary

• Axial ferrite bead construction designed for effective electromagnetic interference suppression
• Utilizes 4W620 material composition for stable noise attenuation properties
• Cylindrical core geometry optimized for installation on wires and coaxial cables

Applications

• Suppression of electromagnetic interference on signal wires
• Noise filtering for coaxial cable assemblies
• EMI reduction in wire-wrapping interconnections

Procurement Notes

Verify that the specific order matches the manufacturer part number 74270055 and the WE-AFB series designation. Confirm compliance with required RoHS standards and ensure the axial form factor aligns with the target assembly constraints before finalizing procurement actions.

Selection Notes

Select this component when axial ferrite beads are required for wire-based EMI suppression. The 133 Ohm impedance at 25 MHz suits general noise attenuation needs. Ensure the physical dimensions accommodate the available space and that the 4W620 material properties meet the specific frequency response requirements of the application.

Part Context

This component belongs to the WE-AFB series of axial ferrite beads manufactured by Würth Elektronik. The series focuses on providing reliable electromagnetic interference suppression solutions for various wiring configurations. The 74270055 variant specifically utilizes the 4W620 material formulation to achieve its designated impedance profile.

Replacement Considerations

Cross-reference alternative axial ferrite beads with similar 25 MHz impedance values and compatible physical dimensions. Verify that substitute components maintain equivalent material properties and mounting requirements to ensure consistent circuit performance.