BLM21BD471SZ1D

Chip Ferrite Bead Overview

The Murata BLM21BD471SZ1D is a single-line ferrite bead in an 0805 (2012 metric) surface-mount package. It provides 470 Ohms impedance at 100 MHz with a maximum DC resistance of 350 milliohms and a rated current of 300 mA. The component operates between -55°C and +125°C, meets AEC-Q200 automotive qualification standards, and complies with RoHS3 and REACH regulations.

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 electronic circuits
• General-purpose noise filtering
• Signal line interference suppression

Chip Ferrite Bead Procurement Notes

Verify the suffix 'SZ1D' against official Murata documentation to confirm specific packaging or material variations. Ensure the selected variant matches the required 300 mA rating and 470 Ohm impedance specifications for the target application environment.

Chip Ferrite Bead Selection Notes

Select this component when automotive-grade reliability is required alongside compact size constraints. The 0805 package suits high-density layouts, while the 300 mA rating supports moderate signal currents. Verify thermal management requirements within the -55°C to +125°C operating range.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM21B series, designed for broadband noise reduction. The BLM21BD variant specifically targets applications requiring robust performance under automotive conditions, offering stable impedance characteristics across temperature variations.

Chip Ferrite Bead Replacement Considerations

BLM21BD471SN1D shares identical electrical parameters but may differ in packaging configuration.