BLM21SP700SN1D

Chip Ferrite Bead Overview

The Murata BLM21SP700SN1D is a single-line ferrite bead chip designed for power line applications. It operates within the EMIFIL BLM21 series and features a 0805 (2012 metric) surface-mount package with dimensions of 2.00mm x 1.25mm x 1.05mm maximum height. The component provides an impedance of 70 Ohms at 100 MHz and supports a maximum rated current of 6A. It functions effectively across a temperature range of -55°C to 125°C.

Chip Ferrite Bead Feature Summary

• Engineered specifically for high-current power line filtering applications
• Provides effective electromagnetic interference suppression in compact surface-mount form factors
• Constructed from durable ferrite material suitable for wide industrial temperature ranges

Chip Ferrite Bead Applications

• Power supply input filtering
• DC-DC converter output stages
• High-current digital circuit noise suppression

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes against official Murata documentation to ensure correct impedance and current ratings. Confirm RoHS3 compliance status and moisture sensitivity level requirements prior to integration into manufacturing processes.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring significant current handling capability alongside moderate high-frequency noise attenuation. Ensure the PCB layout accommodates the specific thermal dissipation needs associated with 6A continuous operation.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM21SP series, which specializes in high-performance ferrite beads for demanding power electronics. The SP designation typically indicates specific material characteristics optimized for power lines compared to signal line variants.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for equivalent impedance and current ratings. Verify physical footprint compatibility before replacing existing designs.