BLM18KG471BH1D

Chip Ferrite Bead Overview

The Murata BLM18KG471BH1D is a single-line chip ferrite bead in a 0603 (1608 metric) surface-mount package. It provides an impedance of 470 Ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 1A and has a maximum DC resistance of 130 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Provides high-impedance noise suppression for digital signal lines
• Designed for compact surface-mount PCB layouts
• Qualified for automotive electronic applications

Chip Ferrite Bead Applications

• Automotive EMI suppression filters
• Digital interface noise filtering
• Power line filtering in vehicle electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'BH1D' against official Murata documentation, as ordering codes often dictate terminal plating or packaging variations that do not alter electrical function. Confirm AEC-Q200 status if automotive compliance is required. Ensure the selected variant matches the intended 0603 footprint and current rating requirements for the target circuit design.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is constrained and a 1A current rating is sufficient for the application. The 470 Ohm impedance at 100 MHz targets common noise frequencies in digital systems. Compare against the BLM18KG series variants to ensure the specific current handling and DC resistance meet the power budget and signal integrity needs of the design.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM18KG series of chip ferrite beads. The series offers various impedance and current combinations in the standard 0603 case size. The KG series typically includes options qualified for automotive use, providing designers with standardized components for EMI suppression across consumer and industrial electronics.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.