BLM18AG471BH1D

Chip Ferrite Bead Overview

The Murata BLM18AG471BH1D is a single-line ferrite chip bead in a 0603 (1608 metric) surface-mount package. It provides an impedance of 470 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 550 mA and has a maximum DC resistance of 350 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive applications.

Chip Ferrite Bead Feature Summary

• Provides high-impedance attenuation for electromagnetic interference suppression in power lines
• Automotive-grade reliability certified under the AEC-Q200 standard
• Compact 0603 footprint designed for dense surface-mount circuit board layouts

Chip Ferrite Bead Applications

• Automotive electronic circuits
• Power line filtering
• EMI suppression filters

Chip Ferrite Bead Procurement Notes

Verify the specific suffix BH1D against official Murata documentation to confirm package dimensions and termination specifications. Ensure the selected variant meets the required AEC-Q200 automotive qualification standards if used in vehicle systems. Cross-reference the impedance value and current rating with the final design requirements before ordering.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 size is required for power line noise suppression in automotive environments. The 550 mA current rating suits moderate power applications, while the 470 Ohm impedance targets specific frequency ranges. Verify that the 350 mOhms DC resistance aligns with system voltage drop constraints.

Chip Ferrite Bead Part Context

This part belongs to the BLM18 series of ferrite beads manufactured by Murata Electronics. The series offers various impedance and current ratings within the standardized 0603 package. The AG designation typically indicates specific material properties optimized for broadband noise absorption in compact form factors.

Chip Ferrite Bead Replacement Considerations

Check for other BLM18 series variants with matching 470 Ohm impedance and compatible current ratings. Ensure any substitute maintains the same 0603 package dimensions and AEC-Q200 certification if automotive use is required.