BLM18EG221SZ1D

Chip Ferrite Bead Overview

The Murata BLM18EG221SZ1D is a single-line ferrite chip bead in the EMIFIL BLM18EG series, housed in a 0603 (1608 metric) surface-mount package measuring 1.6 mm x 0.8 mm x 0.8 mm. It provides an impedance of 220 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 2 A and features a maximum DC resistance of 50 mOhms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides effective electromagnetic interference suppression for signal lines through high-impedance characteristics at specific frequencies.
• Designed for compact surface-mount integration using standard 0603 footprint dimensions.

Chip Ferrite Bead Applications

• Signal line noise filtering
• General-purpose EMI suppression

Chip Ferrite Bead Procurement Notes

Verify the suffix 'SZ' against official Murata documentation to confirm specific material or termination variations compared to the standard 'SN' variant. Ensure the selected part number 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 ferrite bead is required for signal lines carrying up to 2 A. The 220 Ohm impedance at 100 MHz targets specific noise frequencies. Verify that the 50 mOhm DC resistance meets the voltage drop requirements of the application circuit.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18EG series of EMIFIL ferrite beads. These parts are designed for general electronic applications requiring noise suppression in small form factors. The series offers various impedance values and current ratings within the standardized 0603 package size.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided source data.

Chip Ferrite Bead FAQ

What is the maximum DC current rating for the BLM18EG221SZ1D?

The maximum DC current rating is 2 A.

Does this component support power line filtering?

According to available specifications, it is designated for signal line filtering rather than power line applications.