BLM18PG221SN1D

Chip Ferrite Bead Overview

The Murata BLM18PG221SN1D is a single-line ferrite chip bead in the EMIFIL BLM18P series, housed in a 0603 (1608 metric) surface-mount package. It provides an impedance of 220 Ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 1.4 A and features a maximum DC resistance of 100 mOhms. It operates within a temperature range of -55°C to +125°C. Physical dimensions are 1.6 mm in length, 0.8 mm in width, and 0.8 mm in height.

Chip Ferrite Bead Feature Summary

• Provides high-impedance noise suppression for power lines in the 100 MHz frequency range.
• Designed for surface-mount assembly in compact 0603 footprints.
• Capable of handling continuous DC currents up to 1.4 Amperes.

Chip Ferrite Bead Applications

• EMI suppression filters
• Power supply circuits

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes against official Murata documentation to ensure correct impedance and packaging specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into manufacturing processes.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for power line filtering with a 220 Ohm impedance target. Ensure the design accommodates the 1.4 A current rating and 100 mOhm DC resistance limits for the specific application environment.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM18P series of ferrite beads. It is designed for general-purpose noise suppression in electronic circuits where space constraints necessitate the use of small surface-mount packages while maintaining effective high-frequency interference reduction capabilities.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Cross-referencing requires matching impedance values, current ratings, and physical dimensions to ensure functional compatibility without redesigning the PCB layout.

Chip Ferrite Bead FAQ

What is the impedance value of the BLM18PG221SN1D at 100 MHz?

The impedance is 220 Ohms at 100 MHz with a tolerance of 25%.

Is this component suitable for automotive applications?

Official documentation indicates that this specific part does not meet automotive standards.