74275143

Overview

The Würth Elektronik part number 74275143 is a WE-UKW series ferrite bead designed for high-frequency noise suppression. It features a compact surface-mount package with dimensions of 3.5 mm length, 0.6 mm height, and 0.48 mm diameter. The component exhibits an impedance of 961 Ω at 100 MHz and supports a current rating of 3 A. Key electrical characteristics include a DC resistance of 0.02 Ω and a Curie temperature of 175 °C. It is halogen-free and complies with JEDEC JS709B standards.

Feature Summary

• High impedance value of 961 Ω at 100 MHz for effective broadband noise attenuation
• Compact surface-mount footprint suitable for space-constrained PCB layouts
• Capable of handling continuous currents up to 3 A without saturation
• Halogen-free construction adhering to environmental safety standards

Applications

• Power supply output filtering in portable electronics
• Noise suppression on high-speed data lines
• EMI reduction in automotive infotainment systems
• Signal integrity enhancement in industrial control boards

Procurement Notes

Verify the exact package dimensions and terminal configuration against the official datasheet before integration. Confirm that the 3 A current rating aligns with your circuit's peak load requirements. Ensure compatibility with standard reflow soldering profiles to maintain material integrity. Check for RoHS compliance documentation if required by your manufacturing facility.

Selection Notes

Select this component when high impedance at 100 MHz is critical for EMI mitigation. The low DC resistance minimizes power loss in high-current paths. Consider the small form factor for dense board designs. Evaluate thermal performance given the 175 °C Curie point to ensure stability under operating conditions.

Part Context

This component belongs to the WE-UKW series of ferrite beads from Würth Elektronik. These parts are engineered for general-purpose EMI suppression in consumer, automotive, and industrial applications. The series offers various impedance values and current ratings to suit different filtering needs while maintaining a consistent small outline package.

Replacement Considerations

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