BLM15BX221SN1D

Chip Ferrite Bead Overview

The Murata BLM15BX221SN1D is a monolithic ferrite chip bead in the BLM15_SN series, designed for surface-mount applications. It features a 0402 (1005 metric) package with dimensions of 1.0 mm length and 0.5 mm height. The component provides an impedance of 220 ohms at 100 MHz with a tolerance of 25%. It supports a maximum DC current of 450 mA and has a maximum DC resistance of 270 milliohms. The device operates within a temperature range of -55°C to +125°C and complies with RoHS standards.

Chip Ferrite Bead Feature Summary

• Monolithic construction utilizing ferrite material for effective high-frequency noise suppression
• Designed for surface-mount technology in compact 0402 footprints
• Provides single-line filtering capability for signal integrity management

Chip Ferrite Bead Applications

• High-speed signal line noise filtering
• EMI suppression filters
• General-purpose noise reduction in electronic circuits

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against official Murata documentation to confirm packaging details and compliance status. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0402 footprint is required for signal lines carrying up to 450 mA. The 220-ohm impedance at 100 MHz targets specific noise frequencies. Compare against BLM15BB221SN1D for lower current needs or BLM15PX221SN1D for higher current power lines. Verify thermal performance requirements against the specified operating temperature range.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM15_SN series of ferrite beads. The series offers various impedance and current ratings within the same 0402 package size. The BX suffix indicates specific electrical characteristics distinguishing it from other series variants like BB or PX. It is part of the EMIFIL product line focused on electromagnetic interference suppression.

Chip Ferrite Bead Replacement Considerations

BLM15BB221SN1D offers similar impedance but lower current handling. BLM15PX221SN1D provides higher current capacity. BLM15EG221SN1D is noted as not recommended for new designs.