742701110

Overview

The Wurth Elektronik part number 742701110 is a WE-TOF series EMI suppression toroidal ferrite core. It is constructed from 3W800 material and provides an impedance of 45 Ohms at 25 MHz. The cylindrical core features an internal diameter of 11 mm and an external diameter of 20 mm, with a height of 10 mm. This component is designed for suppressing electromagnetic interference on wires and coaxial cables.

Feature Summary

• Utilizes 3W800 ferrite material for effective high-frequency noise attenuation
• Cylindrical toroidal geometry facilitates easy installation onto existing wiring harnesses
• Engineered specifically for EMI suppression applications in electronic assemblies

Applications

• Suppression on individual wires
• Noise filtering on coaxial cables
• Wire-wrapping applications

Procurement Notes

Verify the specific impedance requirement against application needs, as this model provides 45 Ohms at 25 MHz. Confirm that the cable or wire diameter fits within the 11 mm internal aperture. Ensure compliance with project specifications regarding the 3W800 material composition and RoHS standards before finalizing procurement orders.

Selection Notes

Select this component when cylindrical form factors are required for space-constrained environments. Choose based on the 45 Ohm impedance profile at 25 MHz to match target noise frequencies. Consider the 11 mm bore size for compatible cable diameters. Evaluate the 3W800 material properties against other available frequency response options if different attenuation characteristics are needed.

Part Context

This component belongs to the WE-TOF series of EMI suppression products manufactured by Wurth Elektronik. The series offers various toroidal ferrite cores tailored for different cable sizes and impedance requirements. The 742701110 variant specifically addresses applications requiring cylindrical suppression elements with defined high-frequency performance characteristics.

FAQ

What is the impedance value of the 742701110 at 25 MHz?

The impedance is 45 Ohms at 25 MHz.

What material is used for this ferrite core?

The core is made from 3W800 ferrite material.