7427155S

Overview

The Würth Elektronik 7427155S is a split-core ferrite clamp from the STAR-RING series, designed for rapid installation on cables. It features a square shape and 4W620 core material, accommodating a cable diameter of 27 mm. The component provides an impedance of 142 ohms at 25 MHz and operates within a temperature range of -25°C to +105°C. External dimensions are 55 mm in length, 20 mm in width, and 44 mm in height, with an internal height of 27 mm. It includes a safety key mechanism.

Feature Summary

• Snap-on design with integrated safety key technology for secure locking
• Facilitates cable pre-fixation to streamline assembly processes
• Constructed from 4W620 ferrite material for effective EMI suppression

Applications

• General electronic equipment EMI/RFI suppression
• Power cable noise reduction
• Computer data line filtering

Procurement Notes

Verify the specific suffix 'S' indicates the inclusion of the safety key feature as documented in official datasheets. Confirm that the 4W620 material composition aligns with required frequency performance specifications. Ensure the 27 mm inner diameter matches the target cable bundle size for optimal magnetic coupling and impedance characteristics.

Selection Notes

Select this model when a snap-on solution with mechanical locking is required for 27 mm cables. The STAR-RING series offers higher impedance compared to standard round cores. Consider the square cross-section for potentially different mounting space requirements compared to cylindrical alternatives. Verify RoHS compliance status through current manufacturer documentation.

Part Context

This component belongs to the WE-STAR-RING series of split ferrite cores manufactured by Würth Elektronik. These cores are engineered for quick installation without cable disconnection. The 7427155S variant specifically utilizes the 4W620 material formulation, which is optimized for high-frequency noise attenuation in general electronic applications.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided source data. Cross-referencing requires matching impedance values, cable diameter, and material properties.