BLM31KN801SN1K

Chip Ferrite Bead Overview

The Murata BLM31KN801SN1K is a single-line ferrite chip bead designed for power line noise suppression. It features an impedance of 800 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 2.5 A. The component has a maximum DC resistance of 50 mOhms and operates within a temperature range of -55°C to +125°C. It utilizes a 1206 (3216 metric) surface mount package with dimensions of 3.20 mm x 1.60 mm and a maximum height of 1.80 mm.

Chip Ferrite Bead Feature Summary

• Provides high-impedance attenuation for electromagnetic interference on power lines
• Engineered for high-current applications with low DC resistance
• Supports automated surface-mount assembly processes

Chip Ferrite Bead Applications

• Power supply input filtering in electronic equipment
• Noise suppression for high-current signal lines
• EMI mitigation in server infrastructure components

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official documentation, as packaging variations may exist. Confirm RoHS compliance status directly from the manufacturer datasheet prior to integration. Ensure the selected variant matches the required impedance tolerance and current rating specifications for the target circuit design.

Chip Ferrite Bead Selection Notes

Select this component when high current handling capability is required alongside significant noise attenuation. The 1206 footprint offers a balance between current capacity and board space efficiency. Evaluate the thermal performance under continuous load conditions to ensure the operating temperature remains within the specified limits during peak usage scenarios.

Chip Ferrite Bead Part Context

This part belongs to the BLM31KN series, which focuses on high-rated current capabilities for SMD ferrite beads. The series is specifically targeted at demanding applications such as AI servers and high-performance computing hardware where robust power line filtering is essential for system stability.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.