BLM21AG102SH1D

Chip Ferrite Bead Overview

The Murata BLM21AG102SH1D is a single-line chip ferrite bead in the EMIFIL BLM21 series, designed for EMI suppression. It features an impedance of 1 kOhms at 100 MHz with a maximum DC resistance of 280 milliohms and a rated current of 500 mA. The component utilizes a 0805 (2012 metric) surface-mount package measuring 2.00 mm x 1.25 mm x 1.05 mm. It operates within a temperature range of -55°C to 125°C and holds AEC-Q200 automotive qualification.

Chip Ferrite Bead Feature Summary

• Provides high-impedance attenuation for electromagnetic interference in the 100 MHz frequency range
• Automotive-grade reliability certified under AEC-Q200 standards
• Compact 0805 footprint suitable for dense surface-mount layouts

Chip Ferrite Bead Applications

• Automotive electronic circuit noise filtering
• High-speed digital signal line EMI suppression
• Power supply output filtering

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'H1D' against official Murata documentation to confirm packaging configuration and tape-and-reel specifications. Ensure the selected variant matches the required 500 mA current rating and 280 milliohm DC resistance limits for the target application design.

Chip Ferrite Bead Selection Notes

Select this component when a 1 kOhm impedance at 100 MHz is required for noise suppression in space-constrained designs. The 0805 package offers a balance between current handling capacity and board area efficiency. Confirm that the 500 mA rated current meets the operational requirements of the protected circuit path.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM21AG series of multi-layer ferrite beads. The AG designation indicates automotive-grade material properties compliant with AEC-Q200. The series provides various impedance values in standard metric packages for general-purpose EMI filtering applications.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Cross-reference impedance curves and current ratings carefully when considering alternative manufacturers.