BLM18BD471SZ1D

Chip Ferrite Bead Overview

The Murata BLM18BD471SZ1D is a single-line ferrite bead in the BLM18_Z series, housed in a 0603 (1608 metric) surface-mount package. It provides an impedance of 470 Ohms at a test frequency of 100 MHz. The component supports a maximum DC current of 200 mA and features a maximum DC resistance of 550 mOhms. It operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

• Provides high-impedance noise suppression for signal lines in the 100 MHz frequency range
• Automotive-grade reliability certified under AEC-Q200 standards
• Compact 0603 footprint designed for space-constrained surface-mount applications

Chip Ferrite Bead Applications

• Noise filtering for automotive electronic circuits
• Signal line protection in compact mobile devices
• High-frequency interference suppression in consumer electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with existing PCB footprints and thermal management requirements before finalizing procurement decisions.

Chip Ferrite Bead Selection Notes

Select this component when a 470 Ohm impedance at 100 MHz is required for single-line noise attenuation. Consider the 200 mA current rating and 550 mOhms DC resistance to ensure adequate performance without excessive voltage drop or thermal issues in the target circuit design.

Chip Ferrite Bead Part Context

This part belongs to the BLM18_Z series of chip ferrite beads from Murata Electronics. These components are engineered for effective electromagnetic interference suppression in small form factors, widely utilized in modern electronic systems requiring reliable noise control.

Chip Ferrite Bead Replacement Considerations

Cross-reference with other BLM18 series variants such as BLM18BD471SN1D for alternative packaging options. Verify that substitute parts maintain identical impedance characteristics and current ratings to ensure circuit integrity.