BLM21PG221BH1D

Chip Ferrite Bead Overview

The Murata BLM21PG221BH1D is a single-line chip ferrite bead in the EMIFIL BLM21PG series, housed in an 0805 (2012 metric) surface-mount package. It provides an impedance of 220 Ohms at 100 MHz with a maximum DC resistance of 45 mΩ and a rated current of 2A. The component operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive standards.

Chip Ferrite Bead Feature Summary

• Provides electromagnetic interference suppression for power lines
• Automotive-grade reliability compliant with AEC-Q200 standards
• Designed for high-current applications up to 2A

Chip Ferrite Bead Applications

• Power supply filtering
• EMI suppression filters
• Automotive electronic circuits

Chip Ferrite Bead Procurement Notes

Verify the suffix 'BH1D' against official Murata documentation to confirm specific tape-and-reel packaging or marking variations. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component for designs requiring robust EMI filtering on power rails carrying up to 2A. The 0805 footprint offers a balance between current handling and board space. Verify that the 220 Ohm impedance at 100 MHz aligns with the noise frequency spectrum present in the application environment.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM21PG series of high-current ferrite beads. The series is engineered for automotive and industrial applications where reliable noise suppression is critical. The BLM21PG line utilizes specialized materials to maintain performance under high thermal and electrical stress conditions.

Chip Ferrite Bead Replacement Considerations

BLM21PG221SN1D is documented as a similar alternative within the same manufacturer's portfolio.