74270151

Overview

The Würth Elektronik 74270151 is a WE-TOF EMI suppression toroidal ferrite core designed for broadband noise attenuation. It features an inner diameter of 20.80 mm and an outer diameter of 34.60 mm, with a length of 12.70 mm. The component utilizes manganese-zinc material to provide high impedance across wide frequency ranges. Key electrical specifications include an impedance of 56 Ω at 25 MHz and 340 Ω at 100 MHz. This free-hanging component is suitable for suppressing electromagnetic interference on cables and wires.

Feature Summary

• Provides effective broadband EMI suppression for cable assemblies
• Utilizes manganese-zinc material for high magnetic permeability
• Features a split-core design for easy installation without wire disconnection

Applications

• Power supply cable filtering
• Data communication line noise suppression
• General electronic equipment EMC enhancement

Procurement Notes

Verify the specific impedance values against the official datasheet for your target frequency range. Confirm that the 20.80 mm inner diameter accommodates the cable bundle size. Ensure compliance with RoHS and REACH requirements if applicable to your region. Check for any specific packaging quantities or handling instructions provided by the manufacturer.

Selection Notes

Select this model when a split-core ferrite is required for retrofitting existing cables. The 20.80 mm bore size suits medium-to-large cable bundles. Consider the impedance profile at 25 MHz and 100 MHz to match the noise spectrum. Compare physical dimensions against available mounting space in the enclosure.

Part Context

This component belongs to the WE-TOF series from Würth Elektronik, which specializes in toroidal ferrite cores for EMI suppression. The series offers various sizes and materials to address different frequency and current requirements. The 74270151 variant is optimized for applications requiring moderate bore sizes with significant impedance at higher frequencies.

FAQ

What is the material composition of the 74270151 ferrite core?

The core is made from manganese-zinc ferrite material, which provides high permeability and effective noise absorption.

Does the 74270151 have a split design?

Yes, it is a split-core toroidal ferrite, allowing it to be installed around existing cables without disconnecting them.