BLM18HG471SN1D

Chip Ferrite Bead Overview

The Murata BLM18HG471SN1D is a single-line chip ferrite bead from the EMIFIL BLM18 series, designed for high-frequency noise suppression in general signal lines. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.6 mm length, 0.8 mm width, and 0.95 mm maximum height. The component provides an impedance of 470 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current rating of 200 mA and has a maximum DC resistance of 850 mOhms. The device operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Suppresses high-frequency noise in GHz band applications
• Single-line configuration for general signal line use
• Compact 0603 surface-mount footprint

Chip Ferrite Bead Applications

• High-frequency noise suppression in general signal lines
• GHz band application filtering

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against the official Murata datasheet to confirm packaging details and terminal plating specifications. Ensure the selected variant matches the required 200 mA current rating and 850 mOhm DC resistance for the target circuit design. Cross-reference the impedance value at 100 MHz to confirm compatibility with the intended noise spectrum.

Chip Ferrite Bead Selection Notes

Select this component when a compact 0603 ferrite bead is required for general signal line noise suppression in the GHz band. The 200 mA current rating suits low-power digital interfaces. Compare the 850 mOhm DC resistance against power loss constraints. Verify that the 470 Ohm impedance at 100 MHz aligns with the target noise frequencies.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM18 series of chip ferrite beads. The series is engineered for suppressing high-frequency noise in general signal lines. The BLM18HG variant specifically denotes the material composition and performance characteristics within the broader 0603 form factor family.

Chip Ferrite Bead Replacement Considerations

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