BLM21BD751SH1D

Chip Ferrite Bead Overview

The Murata BLM21BD751SH1D is a single-line ferrite chip bead in the EMIFIL BLM21 series, designed for surface mount applications. It features an impedance of 750 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards. Its physical dimensions are 2.0 mm in length, 1.25 mm in width, and 0.85 mm in height, conforming to the 0805 (2012 metric) package.

Chip Ferrite Bead Feature Summary

• Provides high impedance attenuation for differential mode noise suppression in single-line circuits
• Automotive-grade reliability certified under AEC-Q200 standards
• Compact surface-mount footprint suitable for dense PCB layouts

Chip Ferrite Bead Applications

• Automotive electronic systems requiring EMI suppression
• High-speed signal line filtering in consumer electronics
• Power supply input/output noise reduction

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SH1D against official Murata documentation to confirm packaging configuration and tape-and-reel specifications. Ensure compatibility with existing assembly processes regarding soldering profiles and moisture sensitivity levels before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when high impedance at 100 MHz is required for single-line noise suppression. Consider the 750 Ohm impedance value relative to target frequencies and ensure the operating environment stays within the specified -55°C to +125°C range. Verify current handling requirements as datasheet DC resistance and current ratings must be checked separately.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM21 series of ferrite beads. The series offers various impedance values and current ratings in standard packages like 0805 and 0603. The BLM21BD variant specifically targets higher impedance applications compared to lower impedance counterparts in the same family.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for equivalent parts. Cross-reference impedance curves and physical dimensions to ensure mechanical fit and electrical performance match the original design requirements.