74270045

Overview

The Wurth Elektronik part number 74270045 is a WE-AFB EMI suppression axial ferrite bead constructed from NiZn material. It provides broadband frequency range attenuation for cable applications. The component exhibits an impedance of 133 Ohms at 25 MHz and 845 Ohms at 100 MHz. This cylindrical ferrite core is designed to suppress electromagnetic interference on wires.

Feature Summary

• Utilizes NiZn material for effective broadband frequency operation
• Designed as an axial ferrite bead for direct cable installation
• Provides significant impedance increase at higher frequencies for noise suppression

Applications

• Electromagnetic interference suppression on cables
• Broadband frequency attenuation in electronic circuits
• Signal integrity enhancement for wire harnesses

Procurement Notes

Verify the specific impedance values against the official datasheet before integration, as performance can vary with cable geometry and frequency. Confirm that the axial form factor matches the physical constraints of the target assembly. Ensure compliance with relevant environmental standards required by the end product specifications.

Selection Notes

Choose this component when broadband suppression is required across a wide frequency spectrum. The NiZn composition offers high resistivity suitable for higher frequency noise reduction compared to MnZn alternatives. Consider the physical size and current carrying capacity relative to the target cable diameter and application requirements.

Part Context

This part belongs to the WE-AFB series of axial ferrite beads from Wurth Elektronik. These components are specifically engineered for suppressing common mode noise on cables. The series utilizes nickel-zinc ferrite materials known for their high permeability and resistivity at high frequencies.

FAQ

What is the primary material used in the 74270045 ferrite bead?

The component is made from NiZn (Nickel-Zinc) ferrite material.

At what frequency does the component exhibit 133 Ohms of impedance?

The impedance is 133 Ohms at 25 MHz.