BLM21AG221BH1D

Chip Ferrite Bead Overview

The Murata BLM21AG221BH1D is a single-channel ferrite chip bead in an 0805 (2012 metric) surface-mount package. It provides an impedance of 220 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 900 mA and features a maximum DC resistance of 120 mOhms. It operates within a temperature range of -55°C to +125°C, measuring 2.00 mm in length, 1.25 mm in width, and 0.85 mm in height.

Chip Ferrite Bead Feature Summary

• Provides high impedance for effective noise suppression in signal lines
• Designed for surface-mount assembly in compact electronic devices
• Constructed from ferrite material for stable performance across wide temperature ranges

Chip Ferrite Bead Applications

• EMI suppression filters
• General purpose noise filtering
• Signal line protection

Chip Ferrite Bead Procurement Notes

Verify the specific suffix BH1D against official Murata documentation to confirm exact impedance and current ratings, as suffixes define critical electrical parameters. Ensure compatibility with standard 0805 footprint dimensions during PCB layout. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

Chip Ferrite Bead Selection Notes

Select this component when a 220 Ohm impedance at 100 MHz is required for noise attenuation in low-current signal paths. The 900 mA rating suits applications where current consumption remains below this threshold. Consider the 0805 package size for space-constrained designs requiring standard surface-mount integration without specialized high-current handling capabilities.

Chip Ferrite Bead Part Context

This part belongs to the BLM21AG series of ferrite beads manufactured by Murata Electronics. The series offers various impedance values within the 0805 package format. The AG variant typically denotes general-purpose characteristics suitable for consumer electronics and industrial equipment requiring reliable EMI suppression in compact form factors.

Chip Ferrite Bead Replacement Considerations

• MH2029-221Y

Chip Ferrite Bead FAQ

What is the maximum DC current rating for this component?

The maximum DC current rating is 900 mA.

Does this component meet automotive reliability standards?

No, the BLM21AG series is not certified under AEC-Q200.