BLM21BD152SN1D

Chip Ferrite Bead Overview

The Murata BLM21BD152SN1D is a single-line chip ferrite bead in the EMIFIL BLM21 series, housed in an 0805 (2012 metric) surface-mount package. It provides an impedance of 1.5 kOhms at 100 MHz with a maximum DC resistance of 450 milliohms and a rated current of 250 mA. The component operates within a temperature range of -55°C to +125°C and measures 2.00 mm in length, 1.25 mm in width, and up to 1.05 mm in height.

Chip Ferrite Bead Feature Summary

• Provides high-impedance noise suppression for signal lines in the 100 MHz frequency range
• Supports compact surface-mount integration via standard 0805 footprint dimensions
• Maintains low DC resistance to minimize voltage drop and power loss in the circuit path

Chip Ferrite Bead Applications

• High-speed signal line filtering
• EMI suppression filters
• Noise reduction in digital circuits

Chip Ferrite Bead Procurement Notes

Verify the specific ordering suffix against official Murata documentation to confirm exact packaging and tape specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target application environment. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 0805 footprint is required for signal integrity management. The 250 mA current rating suits moderate-power signal paths. Verify that the 1.5 kOhm impedance at 100 MHz aligns with the target noise spectrum. Confirm thermal stability requirements fall within the specified -55°C to +125°C operational range for reliable performance.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM21 series, designed for general-purpose noise suppression. It utilizes ferrite material technology to attenuate electromagnetic interference. The series offers various impedance values and current ratings within standardized surface-mount packages to support diverse electronic design needs.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Murata resources or authorized distributors for verified cross-references.