BLM31KN801SZ1K

Chip Ferrite Bead Overview

The Murata BLM31KN801SZ1K is a single-line ferrite chip bead designed for high-current applications. 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 with a 25% impedance tolerance. It operates within a temperature range of -55°C to +125°C and utilizes a 1206 (3216 metric) surface-mount package measuring 3.20 mm x 1.60 mm.

Chip Ferrite Bead Feature Summary

• Provides effective electromagnetic interference suppression in power line circuits through high-impedance characteristics.
• Engineered for high-rated current handling capabilities suitable for demanding electronic environments.
• Complies with automotive reliability standards, ensuring stability under rigorous operating conditions.

Chip Ferrite Bead Applications

• Noise filtering for AI server power distribution networks
• Electromagnetic interference suppression in automotive electronics
• Power line noise reduction in high-current circuitry

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official documentation to confirm packaging and qualification details. Ensure the selected variant matches the required impedance and current ratings for the target application. Cross-reference manufacturer part numbers to avoid confusion between similar series components.

Chip Ferrite Bead Selection Notes

Select this component when high current capacity and significant impedance are required for power line filtering. Consider the 1206 footprint for space-constrained designs requiring robust thermal and electrical performance. Validate compatibility with the system's operating temperature range and current load requirements.

Chip Ferrite Bead Part Context

This component belongs to the BLM31KN series, which focuses on high-rated current SMD ferrite beads. The series is specifically marketed for use in AI servers and automotive applications, offering enhanced durability and performance compared to standard ferrite beads.

Chip Ferrite Bead Replacement Considerations

BLM31KN801SH1L is documented as a parameter-equivalent substitute. Verify that the alternative meets all electrical and mechanical specifications before implementation.