74271132S

Overview

The Würth Elektronik 74271132S is a STAR-TEC series snap-on ferrite core designed for electromagnetic interference suppression. It features an internal diameter of 8.5 mm and utilizes 4W620 material composition. The component exhibits an impedance of 141 Ω at 25 MHz and 100 Ω at 100 MHz. Physical dimensions are 40.5 mm in length, 21 mm in height, and 24.5 mm in depth. It operates within a temperature range of -25 °C to +105 °C and complies with RoHS and REACH standards.

Feature Summary

• Incorporates safety key technology to prevent unauthorized removal from cables.
• Utilizes square-shaped housing for secure mechanical retention on wires.
• Designed for rapid manual installation without tools.

Applications

• General electronic equipment signal integrity
• Power cable noise suppression
• Computer data line filtering

Procurement Notes

Verify the specific impedance values against the official datasheet, as distributor listings may contain conflicting frequency data. Confirm the 8.5 mm inner diameter matches the target cable size. Ensure the RoHS and REACH compliance status aligns with current regulatory requirements for the intended market.

Selection Notes

Select this component when a snap-on solution with integrated security features is required. The 8.5 mm aperture accommodates cables up to that diameter. Consider the 4W620 material properties for the specific frequency range of interest. Verify thermal limits if the application involves high ambient temperatures or self-heating currents.

Part Context

This part belongs to the Würth Elektronik STAR-TEC Snap Ferrite family. These components are engineered for quick installation on existing wiring harnesses. The series emphasizes ease of use combined with reliable EMI attenuation characteristics for standard industrial and consumer electronics applications.

Replacement Considerations

No public substitute part numbers are confirmed in the provided documentation. Cross-referencing requires matching the 8.5 mm bore size, 4W620 material grade, and snap-on form factor.

FAQ

What is the inner diameter of the 74271132S?

The inner diameter is 8.5 mm.

Does this component include a safety key?

Yes, it features safety key technology to prevent accidental removal.