7427246

Overview

The Würth Elektronik part number 7427246 is a snap-on ferrite core from the STAR-FLAT series, designed for flat ribbon cables. It features a rectangular geometry with an internal length of 34 mm and an internal height of 1.27 mm. The external dimensions are 33.1 mm in length, 53.3 mm in width, and 16 mm in height. Constructed from 4W620 material, it provides an impedance of 97 Ω at 25 MHz and 194 Ω at 100 MHz. The component operates within a temperature range of -25°C to +105°C.

Feature Summary

• Incorporates safety key technology to ensure electromagnetic compatibility through authorized installation only.

Applications

• Flat ribbon cable suppression

Procurement Notes

Verify the specific impedance requirements against the datasheet values of 97 Ω at 25 MHz and 194 Ω at 100 MHz. Confirm that the target cable fits within the 34 mm by 1.27 mm internal aperture. Ensure the application environment remains within the specified -25°C to +105°C operating temperature range for reliable performance.

Selection Notes

Select this component when managing EMI on flat cables requiring secure attachment. The safety key mechanism prevents unauthorized removal, ensuring consistent shielding integrity. Compare the 97 Ω/194 Ω impedance profile against other series options if different frequency attenuation characteristics are required for the specific noise spectrum.

Part Context

This component belongs to the STAR-FLAT series of snap-on ferrites, distinct from the circular STAR-TEC and STAR-RING lines. It utilizes the proprietary 4W620 magnetic material optimized for high-frequency noise suppression. The design prioritizes secure mounting on flat conductors rather than round wires.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.