742792910

Overview

The Würth Elektronik 742792910 is a surface-mount power ferrite bead from the WE-PF series, designed for EMI suppression in high-current applications. It features a J-lead SMD package with an impedance of 200 ohms at 100 MHz and a maximum DC resistance of 0.025 ohms. The component supports a rated DC current of 5.5A and maintains an impedance tolerance of ±25%.

Feature Summary

• Provides effective electromagnetic interference suppression within the 10 MHz to 100 MHz frequency range
• Engineered for high-power circuits with a robust 5.5 A current rating
• Utilizes a low-profile J-lead surface mount package for compact board integration

Applications

• High-speed digital signal line filtering
• Power supply output noise reduction
• EMI suppression in automotive electronics

Procurement Notes

Verify the specific impedance value and current rating against the official datasheet before procurement. Confirm that the J-lead footprint matches the target PCB layout. Ensure compliance with RoHS standards if required by the end application specifications.

Selection Notes

Select this component when high current handling is required alongside significant impedance in the VHF band. The low DC resistance minimizes power loss and voltage drop in power lines. Evaluate thermal performance under continuous load conditions to ensure reliability.

Part Context

This part belongs to the WE-PF series of power ferrites from Würth Elektronik. The series is characterized by high saturation currents and optimized impedance profiles for suppressing broadband noise in modern electronic systems.

Replacement Considerations

Check for direct substitutes within the WE-PF series that match the 200 ohm impedance at 100 MHz and 5.5 A current rating. Verify package compatibility and electrical parameters before substitution.