BLM31KN801SH1L

Chip Ferrite Bead Overview

The Murata BLM31KN801SH1L is a single-line surface-mount ferrite bead designed for automotive EMI suppression. It features an impedance of 800 Ohms at 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. Packaged in a 1206 (3216 metric) case size, it meets the AEC-Q200 qualification standard.

Chip Ferrite Bead Feature Summary

• Engineered for high-rated current applications with low DC resistance
• Automotive-grade reliability compliant with AEC-Q200 standards
• Compact 1206 surface-mount package for space-constrained designs

Chip Ferrite Bead Applications

• Automotive electronic circuit noise filtering
• Power line EMI suppression in vehicle systems
• High-current signal path filtering

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SH1L against official Murata documentation to confirm exact packaging and tape specifications. Ensure the procurement channel provides valid traceability for AEC-Q200 qualified components intended for automotive use. Cross-reference the full part number to avoid confusion with similar series variants.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring significant current handling alongside effective high-frequency noise attenuation. The 1206 footprint offers a balance between current capacity and board space. Confirm that the 800 Ohm impedance profile aligns with the target frequency spectrum of the interference being suppressed.

Chip Ferrite Bead Part Context

This part belongs to the BLM31KN series, which focuses on high current capabilities for automotive environments. It serves as a specialized solution for suppressing electromagnetic interference in power lines where standard ferrite beads might saturate or overheat under heavy load conditions.

Chip Ferrite Bead Replacement Considerations

BLM31KN801SZ1L is listed as a parameter-equivalent alternative.