BLM31KN801SN1L

Chip Ferrite Bead Overview

The BLM31KN801SN1L is a single-channel ferrite chip bead manufactured by Murata Electronics, designed for electromagnetic interference suppression in power line applications. It features an impedance of 800 Ohms measured at a test frequency of 100 MHz with a tolerance of 25 percent. The component supports a maximum DC current rating of 2.5 Amperes and exhibits a maximum DC resistance of 50 milliohms. Housed in a standard 1206 (3216 metric) surface mount package measuring 3.2 mm by 1.6 mm with a maximum height of 1.80 mm, it operates reliably within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides high-impedance attenuation for power lines to suppress electromagnetic interference noise
• Engineered for high-current handling capabilities suitable for demanding power distribution circuits
• Constructed as a compact surface-mount device optimized for automated assembly processes

Chip Ferrite Bead Applications

• Power supply input filtering stages
• DC bus line noise suppression
• High-speed digital circuit power rail conditioning

Chip Ferrite Bead Procurement Notes

Verify the specific suffix codes against official Murata documentation to ensure correct impedance and packaging specifications. Confirm RoHS compliance status and moisture sensitivity levels prior to integration into manufacturing workflows. Cross-reference datasheet revisions to validate parameter consistency for critical design implementations.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring significant noise attenuation on power rails carrying currents up to 2.5 Amperes. Ensure the PCB footprint matches the 1206 metric dimensions and verify thermal management requirements align with the specified operating temperature range for reliable long-term performance.

Chip Ferrite Bead Part Context

This part belongs to the BLM31KN series of high-rated current SMD ferrite beads. The series is specifically engineered for use in AI servers and other high-performance computing environments where robust EMI suppression is required on power delivery networks without compromising current capacity.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer catalogs for equivalent series members with matching electrical characteristics.