742792906

Overview

The Würth Elektronik 742792906 is a surface-mount power ferrite bead from the WE-PF series, designed for EMI suppression in high-frequency circuits. It exhibits an impedance of 190 ohms at a test frequency of 100 MHz and supports a maximum DC current rating of 6.5 A. The component features a low maximum DC resistance of 0.02 ohms and operates within a temperature range of -40°C to +125°C. Packaged in a two-terminal SMD configuration, it utilizes NiZn core material suitable for wide frequency applications.

Feature Summary

• Magnetically shielded construction to minimize electromagnetic interference coupling
• NiZn core material optimized for effective noise attenuation across wide frequency ranges
• High current handling capability suitable for power line filtering applications

Applications

• EMI suppression in high-speed digital circuits
• Noise filtering on power supply lines
• Signal integrity enhancement in high-frequency electronic systems

Procurement Notes

Verify the specific package dimensions and terminal configuration against the official datasheet prior to PCB layout finalization. Confirm that the selected supplier provides documentation verifying compliance with RoHS standards. Ensure the procurement channel sources genuine components to guarantee the specified electrical parameters are met. Cross-reference the manufacturer part number with the latest product change notices to confirm current production status.

Selection Notes

Select this component when designing circuits requiring robust EMI suppression with significant current carrying capacity. The 190-ohm impedance at 100 MHz makes it appropriate for attenuating high-frequency noise without excessive voltage drop under load. Consider the magnetic shielding feature if adjacent sensitive traces require isolation. Evaluate the thermal performance within the -40°C to +125°C operating range to ensure reliability under expected environmental conditions.

Part Context

This component belongs to the WE-PF series of power ferrite beads manufactured by Würth Elektronik. The series is characterized by its ability to handle high DC currents while providing effective high-frequency noise attenuation. These components are engineered for surface-mount assembly, facilitating automated placement in modern electronics manufacturing processes.

Replacement Considerations

No public substitute part numbers are confirmed in the provided source data.