742792622

Overview

The Würth Elektronik 742792622 is a surface-mount EMI suppression ferrite bead from the WE-CBF series, housed in a compact 0603 (1.60mm x 0.80mm) package with a maximum height of 1.00mm. It provides an impedance of 180 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 500 mA. The component features a maximum DC resistance of 300 mOhms and operates within a temperature range of -55°C to +125°C. It is AEC-Q200 qualified for automotive reliability.

Feature Summary

• Provides effective electromagnetic interference suppression for single signal lines through high-impedance characteristics at target frequencies.
• Designed for space-constrained applications utilizing a low-profile 0603 surface-mount footprint.
• Qualified for automotive environments ensuring reliability under specified thermal and electrical conditions.

Applications

• Signal line filtering in automotive electronic systems
• EMI suppression in portable consumer electronics
• Noise reduction in compact industrial control circuits

Procurement Notes

Verify the specific ordering suffix to confirm the exact packaging configuration, such as cut tape or reel quantities, as these affect handling procedures. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a small form factor is required for high-frequency noise attenuation on single-line signals. Evaluate the 500 mA current rating against peak load requirements to prevent saturation. Confirm that the 180 Ohm impedance profile aligns with the specific noise spectrum of the application.

Part Context

This part belongs to the WE-CBF family of chip beads, which are engineered for general-purpose EMI suppression. The series offers various impedance values and current ratings across multiple standard package sizes to support diverse PCB layout constraints and filtering needs.

Replacement Considerations

Consult official Wurth Elektronik documentation for verified cross-reference part numbers. Ensure any substitute maintains identical package dimensions, impedance curves, and current handling capabilities to preserve circuit performance.

FAQ

What is the maximum operating temperature for this ferrite bead?

The component is rated for operation up to +125°C.

Is this component suitable for automotive applications?

Yes, it is AEC-Q200 qualified, indicating compliance with automotive reliability standards.