BLM21PG300SH1D

Chip Ferrite Bead Overview

The Murata BLM21PG300SH1D is a single-line chip ferrite bead in an 0805 (2012 metric) package. It provides 30 Ω impedance at 100 MHz with a maximum DC resistance of 14 mΩ and a rated current of 4 A. The component operates between -55°C and +125°C, meets AEC-Q200 automotive standards, and complies with RoHS and REACH regulations.

Chip Ferrite Bead Feature Summary

• AEC-Q200 qualified for automotive reliability
• High current handling capability up to 4 A
• Low DC resistance for minimal power loss
• RoHS and REACH compliant construction

Chip Ferrite Bead Applications

• Automotive power supply filtering
• EMI suppression in high-current circuits
• Noise reduction on vehicle data lines

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact impedance tolerance and packaging configuration. Ensure the selected variant matches the required automotive qualification status and physical dimensions for the target PCB layout.

Chip Ferrite Bead Selection Notes

Select this component when high current capacity is required alongside moderate noise attenuation. The 0805 footprint supports robust soldering for automotive environments. Confirm that the 30 Ω impedance profile aligns with the target frequency spectrum of the interference source.

Chip Ferrite Bead Part Context

This part belongs to the BLM21PG series, designed specifically for automotive applications requiring high current ratings. It utilizes Murata's proprietary ferrite material to provide effective broadband noise suppression while maintaining low insertion loss in power distribution networks.

Chip Ferrite Bead Replacement Considerations

BLM21PG300SN1D offers identical electrical specifications but may differ in packaging or suffix designation. Verify mechanical compatibility and official substitution status before implementation.