742792141

Overview

The Würth Elektronik 742792141 is a surface-mount EMI suppression ferrite bead from the WE-CBF series, housed in an 1206 (3216 metric) package. It provides an impedance of 1000 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 1000 mA. The component features a maximum DC resistance of 150 mOhms and operates within a temperature range of -55°C to +125°C.

Feature Summary

• Provides high impedance for effective electromagnetic interference suppression in compact surface-mount designs
• Capable of handling significant direct current loads suitable for power line applications
• Complies with automotive reliability standards for robust performance in demanding environments

Applications

• Electromagnetic interference suppression on digital signal lines
• Noise filtering in portable electronic devices
• Power supply input/output circuit protection

Procurement Notes

Verify the specific suffix codes against official Wurth Elektronik documentation to ensure correct impedance and tolerance specifications. Confirm RoHS compliance status and AEC-Q200 qualification requirements directly with the manufacturer or authorized distributors before procurement.

Selection Notes

Select this component when a 1206 footprint is required for space-constrained PCB layouts. Ensure the 1000 mA current rating meets the circuit's operational demands. Verify that the 1000 Ohm impedance at 100 MHz aligns with the target noise frequencies for effective EMI mitigation.

Part Context

This part belongs to the WE-CBF series of SMD EMI suppression ferrite beads manufactured by Würth Elektronik. The series offers various impedance values and current ratings in standard packages to support diverse EMC design needs across consumer and industrial electronics.

Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. Cross-reference impedance curves and physical dimensions to ensure compatibility with existing board layouts and electrical requirements.