BLM15BB220SZ1D

Chip Ferrite Bead Overview

The Murata BLM15BB220SZ1D is a chip ferrite bead in the BLM15_Z series, housed in a 0402 (1005 metric) surface-mount package. It exhibits an impedance of 22 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 300 mA and has a maximum DC resistance of 200 mOhms. It operates within a temperature range of -55°C to +125°C. Physical dimensions are 1 mm in length, 0.5 mm in width, and 0.5 mm in height. The device is AEC-Q200 qualified and RoHS compliant.

Chip Ferrite Bead Feature Summary

• Provides electromagnetic interference suppression for high-speed signal lines
• Features unshielded construction suitable for compact circuit layouts
• Designed for surface-mount assembly processes

Chip Ferrite Bead Applications

• EMI suppression filters
• High-speed signal line filtering

Chip Ferrite Bead Procurement Notes

Verify the specific suffix codes against official Murata documentation to confirm exact electrical tolerances and packaging configurations. Ensure the selected variant matches the required impedance and current ratings for the target application. Cross-reference datasheet revisions to validate compliance standards and material specifications before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a 0402 footprint with moderate current handling capabilities. The 22 Ohm impedance value targets specific noise frequencies around 100 MHz. Verify that the 300 mA current rating exceeds the peak operational current of the protected circuit to prevent saturation or excessive heating during normal operation.

Chip Ferrite Bead Part Context

This part belongs to the BLM15 series of chip ferrite beads manufactured by Murata Electronics. The series offers various impedance values and current ratings in standardized SMD packages. The BLM15BB220SZ1D specifically addresses applications requiring compact EMI suppression solutions with defined thermal and electrical performance characteristics.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Generic cross-references may not match the precise impedance curve or current handling limits.