7427143S

Overview

The Würth Elektronik 7427143S is a snap-on ferrite ring from the STAR-TEC series, designed for rapid installation on cables. It features a 5 mm inner diameter and utilizes 4W620 ferrite material to suppress electromagnetic interference. The component provides an impedance of 64 Ω at 25 MHz and 119 Ω at 100 MHz. Its physical dimensions are 32.5 mm in length, 13.2 mm in width, and 18.8 mm in height. The unit complies with REACH and RoHS standards.

Feature Summary

• Snap-on design enables quick manual installation without tools
• Utilizes 4W620 ferrite material for effective noise suppression
• Complies with REACH and RoHS environmental standards

Applications

• General electronic applications
• Safety-related applications

Procurement Notes

Verify the specific part number suffix 'S' against official Wurth Elektronik documentation to confirm exact specifications. Ensure compatibility with cable diameters up to 5 mm. Cross-reference impedance values at 25 MHz and 100 MHz with system requirements. Confirm compliance with REACH and RoHS directives as stated in the datasheet before procurement.

Selection Notes

Select this component when a snap-on ferrite solution is required for cables with a maximum diameter of 5 mm. The 4W620 material offers specific impedance characteristics suitable for general and safety-related EMI suppression. Consider the physical footprint of 32.5 x 13.2 x 18.8 mm for spatial constraints. Verify that the snap-fit mechanism meets assembly speed requirements compared to split-core alternatives.

Part Context

This component belongs to the STAR-TEC series of snap-on ferrite rings manufactured by Würth Elektronik. These devices are engineered for easy integration into wiring harnesses where tool-free installation is preferred. The series utilizes standardized ferrite materials to provide consistent attenuation performance across various frequency bands.

Replacement Considerations

Public confirmed substitute part numbers: 74271142S.