742701707

Overview

The Würth Elektronik 742701707 is a WE-TOF series solid ferrite toroidal core designed for electromagnetic interference suppression. It features a 7W850 material composition with an inner diameter of 10 mm, an outer diameter of 20 mm, and a height of 10 mm. The component provides an impedance of 82 Ω at 25 MHz and operates within a frequency range of 25 MHz to 100 MHz.

Feature Summary

• Solid toroidal geometry for stable magnetic circuit performance
• Optimized 7W850 material formulation for high-frequency noise attenuation
• Designed specifically for electromagnetic interference suppression applications

Applications

• Electromagnetic interference suppression
• Cable noise filtering in electronic assemblies

Procurement Notes

Verify the specific impedance value and physical dimensions against the official datasheet before integration. Confirm that the 7W850 material grade aligns with the target frequency spectrum requirements. Ensure mechanical fitment within the designated housing or cable routing space matches the 10 mm inner diameter specification.

Selection Notes

Select this component when a solid toroidal shape is required for consistent magnetic coupling without air gaps. The 7W850 material offers a balance of permeability and resistivity suitable for the specified frequency band. Consider the fixed geometry constraints compared to split-core alternatives during the design phase.

Part Context

This part belongs to the WE-TOF series of ferrite cores from Würth Elektronik. These components are engineered for robust EMI mitigation in compact spaces. The series utilizes specific ferrite formulations tailored for distinct frequency ranges, ensuring effective noise reduction across various electronic systems.

FAQ

What is the impedance of the 742701707 at 25 MHz?

The impedance is 82 Ω at 25 MHz.

What material is used for this ferrite core?

The core is manufactured using 7W850 ferrite material.