BLM21SP102SH1D

Chip Ferrite Bead Overview

The Murata BLM21SP102SH1D is a single-channel ferrite chip bead in the EMIFIL BLM21 series, housed in an 0805 (2012 metric) surface-mount package. It provides an impedance of 1 kOhms at 100 MHz with a 25% tolerance. The component supports a maximum DC current of 1.6 A and features a maximum DC resistance of 105 mOhms. It operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

• Designed for high-current power line noise suppression
• Automotive-grade reliability via AEC-Q200 certification
• Compact 0805 surface-mount form factor

Chip Ferrite Bead Applications

• Power supply input filtering
• Automotive electronic circuit noise suppression
• High-current signal line protection

Chip Ferrite Bead Procurement Notes

Verify the complete part number against official Murata documentation to ensure correct impedance, current rating, and termination specifications. Confirm that the specific suffix matches the required packaging format and material composition for your assembly process. Cross-reference the datasheet revision date to ensure compliance with current environmental regulations such as RoHS3.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring significant current handling capability alongside effective high-frequency noise attenuation. The 1.6 A rating distinguishes it from lower-current variants in the same impedance class. Ensure the PCB footprint accommodates the 2.00 mm x 1.25 mm dimensions and verify thermal management requirements for continuous high-current operation.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM21 series of ferrite beads, which are engineered for robust performance in demanding environments. The series offers various impedance and current combinations within the 0805 package, allowing designers to balance space constraints with electrical performance requirements for both consumer and automotive applications.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative components by matching impedance curves, current ratings, and physical dimensions.