BLM21BD151SZ1D

Chip Ferrite Bead Overview

The Murata BLM21BD151SZ1D is a single-line ferrite chip bead in the EMIFIL BLM21 series, designed for surface-mount applications. It provides an impedance of 150 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 600 mA and features a maximum DC resistance of 250 mOhms. It operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards. The physical dimensions are 2.0 mm x 1.25 mm x 0.85 mm (0805 package).

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through ferrite material characteristics.
• Automotive-grade reliability certified under AEC-Q200 standards.
• Compact 0805 surface-mount footprint for space-constrained designs.

Chip Ferrite Bead Applications

• Noise filtering in automotive electronic circuits.
• Signal line protection in consumer electronics.
• Power supply decoupling for digital ICs.

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SZ1D' against official Murata documentation to confirm termination plating and packaging configuration. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Confirm RoHS compliance status for the specific manufacturing batch prior to integration into production lines.

Chip Ferrite Bead Selection Notes

Select this component when a 150 Ohm impedance at 100 MHz is required for EMI suppression. The 600 mA current rating suits moderate power applications. Consider the 0805 package size for standard assembly processes. Verify thermal performance within the specified operating temperature range during circuit design.

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 standardized packages. The BLM21BD variant specifically denotes the 0805 case size with defined electrical characteristics for general-purpose noise filtering applications.

Chip Ferrite Bead Replacement Considerations

Cross-reference with other BLM21BD parts having identical impedance and current ratings. Verify pinout and mechanical dimensions match before substitution. Consult Murata's SimSurfing tool for detailed parameter comparison.