BLM21BD102SN1D

Chip Ferrite Bead Overview

The Murata BLM21BD102SN1D is a monolithic ferrite chip bead designed for high-speed signal line applications. It operates in the 0805 (2012 metric) surface-mount package with dimensions of 2.0 mm length, 1.25 mm width, and 0.85 mm height. The component provides an impedance of 1 kΩ at 100 MHz with a maximum DC resistance of 400 mΩ. It supports a rated current of 250 mA and functions within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Suppresses high-frequency noise in high-speed signal lines
• Monolithic construction for reliability
• RoHS compliant and lead-free

Chip Ferrite Bead Applications

• EMI suppression filters
• High-speed signal lines

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against official Murata documentation to confirm packaging and tape specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0805 footprint is required for EMI filtering on high-speed data lines. Consider the 250 mA current limit and 400 mΩ DCR to ensure minimal voltage drop and thermal impact in the application circuit.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM21BD series of EMIFIL chip ferrite beads. The series is engineered specifically for suppressing electromagnetic interference in compact electronic devices requiring surface-mount technology solutions.

Chip Ferrite Bead Replacement Considerations

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