BLM18BA470SH1D

Chip Ferrite Bead Overview

The Murata BLM18BA470SH1D is a single-line ferrite bead in the EMIFIL BLM18 series, housed in a 0603 (1608 metric) surface-mount package. It provides an impedance of 47 Ohms at 100 MHz with a maximum DC resistance of 550 milliohms and a rated current of 300 mA. The component operates within a temperature range of -55°C to 125°C and measures 1.60 mm x 0.80 mm x 0.95 mm. It complies with RoHS3 standards and carries an MSL rating of 1.

Chip Ferrite Bead Feature Summary

• Provides differential mode noise suppression for single signal lines
• Designed for high-density surface-mount assembly in compact footprints
• Constructed from stable ferrite material for consistent filtering performance

Chip Ferrite Bead Applications

• EMI suppression filters
• High-speed signal line protection

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'H1D' against official Murata documentation to confirm packaging configuration and tape specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for single-line noise attenuation. Compare the 300 mA current rating and 550 milliohm DC resistance against circuit requirements. Consider alternative suffixes if different packaging or automotive qualification levels are necessary for the application.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM18 family of chip ferrite beads. The series offers various impedance values and current ratings in standard metric sizes. The BLM18BA designation indicates a specific product line within this broader portfolio designed for general electronic equipment noise suppression.

Chip Ferrite Bead Replacement Considerations

Check Murata datasheets for other BLM18 variants with matching 47 Ohm impedance and compatible current ratings. Verify physical dimensions and terminal configurations to ensure mechanical compatibility during substitution.