7427930

Overview

The Würth Elektronik 7427930 is a WE-PBF series high-current surface-mount ferrite bead designed for power line noise suppression. It features a J-lead package with dimensions of 4mm length, 3mm depth, and 2.55mm height. The component exhibits an impedance of 42 Ω at 100 MHz and 58 Ω at 25 MHz. It supports a rated current of 6A with a maximum DC resistance of 900 mΩ. Operating temperatures range from -55°C to 125°C. The core material is specified as 3W300.

Feature Summary

• Utilizes flat wire construction optimized for high-frequency designs and high current handling capabilities.
• Features J-lead surface mount packaging to facilitate automated assembly and secure board attachment.
• Constructed with specific ferrite material (3W300) to provide effective electromagnetic interference attenuation in power circuits.

Applications

• Power voltage filtering
• High current signal line noise suppression

Procurement Notes

Verify the exact impedance tolerance and DC resistance values against the official manufacturer datasheet prior to finalizing design specifications. Confirm that the J-lead footprint matches the PCB layout requirements. Ensure compliance with RoHS and REACH directives if required by the target market regulations. Check for any recent product change notices regarding material or manufacturing location updates.

Selection Notes

Select this component when designing circuits requiring significant current handling alongside high-frequency noise reduction. The low DC resistance minimizes power loss and heat generation in high-current paths. Consider the physical dimensions and J-lead configuration during PCB layout planning to ensure adequate clearance and soldering reliability. Evaluate thermal performance under continuous load conditions within the specified temperature range.

Part Context

This part belongs to the WE-PBF series of high-current ferrite beads from Würth Elektronik. These components are engineered specifically for applications demanding robust performance in power supply lines where both high current capacity and effective EMI suppression are critical requirements.

Replacement Considerations

No public confirmed substitute part numbers are available for this specific model.