BLM31KN121SN1L

Chip Ferrite Bead Overview

The Murata BLM31KN121SN1L is a single-line ferrite chip bead in a 1206 (3216 metric) surface-mount package. It provides an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current rating of 6 A and features a maximum DC resistance of 9 mOhms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Designed for high-rated current applications in power line noise filtering
• Suitable for use in AI server environments requiring robust EMI suppression

Chip Ferrite Bead Applications

• AI servers
• Power line noise filtering
• General electronic equipment requiring high current handling

Chip Ferrite Bead Procurement Notes

Verify the specific suffix codes against official Murata documentation to ensure correct impedance, current rating, and packaging configuration. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into the supply chain.

Chip Ferrite Bead Selection Notes

Select this component when a 1206 footprint is required for high-current power lines. Ensure the 6 A current rating meets circuit demands and that the 120 Ohm impedance at 100 MHz aligns with target noise frequencies.

Chip Ferrite Bead Part Context

This part belongs to the BLM31KN series, which is specifically engineered for high-rated current applications. It serves as a specialized ferrite bead solution for suppressing electromagnetic interference in power distribution networks within demanding electronic systems.

Chip Ferrite Bead Replacement Considerations

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