BLM21AG102SZ1D

Chip Ferrite Bead Overview

The Murata BLM21AG102SZ1D is a single-line ferrite bead chip in an 0805 (2012 metric) surface-mount package. It provides an impedance of 1 kOhms at 100 MHz with a maximum DC resistance of 270 milliohms and a rated current of 600 mA. The component operates within a temperature range of -55°C to 125°C and meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

• AEC-Q200 qualified for automotive reliability
• High impedance noise suppression at 100 MHz
• Compact 0805 surface-mount footprint

Chip Ferrite Bead Applications

• Automotive infotainment systems
• Audio line noise filtering
• General EMI suppression in automotive electronics

Chip Ferrite Bead Procurement Notes

Verify the suffix 'SZ1D' against official Murata documentation to confirm specific packaging and tape-and-reel specifications. Ensure the selected variant matches the required automotive grade and impedance tolerance for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when high attenuation is required at 100 MHz within a compact automotive-grade form factor. The 600 mA current rating suits moderate signal lines, while the low DC resistance minimizes voltage drop. Verify thermal performance under continuous load conditions.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM21AG series, designed specifically for automotive applications. It utilizes advanced ferrite materials to provide effective electromagnetic interference suppression in space-constrained electronic modules requiring robust environmental stability.

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 or series.