742792411

Overview

The Würth Elektronik 742792411 is a surface-mount EMI suppression ferrite bead from the WE-CBF series, housed in an 1806 (4516 metric) package. It provides an impedance of 80 Ohms at a test frequency of 100 MHz for single-signal line applications. The component supports a maximum DC current rating of 3 A with a maximum DC resistance of 40 mOhms. It operates within a temperature range of -55°C to +125°C and features dimensions of 4.50 mm length by 1.60 mm width.

Feature Summary

• Provides effective electromagnetic interference suppression for high-speed signal lines
• Designed for compact surface-mount integration in space-constrained layouts
• Capable of handling significant direct current loads without saturation

Applications

• High-speed digital signal line filtering
• Data bus noise attenuation
• Power supply output filtering

Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure that the requested variant matches the required impedance and current ratings for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring robust EMI filtering on signal traces carrying up to 3 Amperes. The 1806 footprint offers a balance between current handling capability and board space efficiency compared to smaller packages.

Part Context

This ferrite bead belongs to the WE-CBF product family, which specializes in SMD EMI suppression solutions. The series is engineered to meet automotive reliability standards, ensuring consistent performance across wide industrial temperature ranges and harsh operating environments.

Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. Cross-referencing with generic distributors may yield inaccurate electrical parameter matches.