742792015

Overview

The Würth Elektronik 742792015 is a surface-mount EMI suppression ferrite bead from the WE-CBF series, housed in an 0805 (2012 metric) package. It exhibits an impedance of 56 Ohms at a test frequency of 100 MHz and supports a maximum DC current rating of 1.8 A. The component features a maximum DC resistance of 300 mOhms and operates within a temperature range of -55°C to +125°C. It is qualified under the AEC-Q200 automotive standard and complies with RoHS directives.

Feature Summary

• Provides effective electromagnetic interference suppression for single-signal lines through high-impedance characteristics at target frequencies.
• Engineered for high-current applications with a rated capacity of 1.8 A, suitable for power distribution networks.
• Automotive-grade reliability ensured by AEC-Q200 qualification, supporting deployment in demanding vehicular environments.

Applications

• Electromagnetic interference filtering in automotive electronic control units
• Signal line protection in industrial equipment power supplies
• Noise suppression on data buses within consumer electronics

Procurement Notes

Verify the specific suffix code against official manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with automated pick-and-place processes due to the surface-mount form factor. Cross-reference the AEC-Q200 certification status if the application requires strict automotive compliance standards before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring robust noise attenuation for signals carrying up to 1.8 A. The 0805 footprint offers a balance between current handling capability and board space efficiency. Consider the 56 Ohm impedance profile relative to the operating frequency spectrum to ensure adequate high-frequency attenuation without introducing excessive signal loss or voltage drop in the DC path.

Part Context

This part belongs to the WE-CBF family of chip beads, designed for compact EMI mitigation. The series utilizes specialized ferrite materials optimized for broadband noise absorption. The 0812 metric case size allows for integration into dense PCB layouts while maintaining thermal stability across wide operational temperature ranges defined by industry standards.

Replacement Considerations

Consult official Wurth Elektronik substitution guides for direct equivalents. Verify that alternative components match the 0805 dimensions, 56 Ohm impedance at 100 MHz, and 1.8 A current rating to maintain circuit performance integrity.

FAQ

What is the maximum DC current rating for the 742792015?

The component supports a maximum DC current of 1.8 A.

Is this ferrite bead qualified for automotive applications?

Yes, it meets the AEC-Q200 qualification standard for passive components in automotive environments.