BLM21SN300SZ1D

Chip Ferrite Bead Overview

The Murata BLM21SN300SZ1D is a single-line ferrite chip bead in the BLM21_Z series, housed in an 0805 (2012 metric) SMD package. It provides 30 Ohms impedance at 100 MHz with a 25% tolerance and supports up to 8.5 A maximum DC current. The component features a maximum DC resistance of 4 mOhms and operates within a temperature range of -55°C to +125°C. It meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

• Provides high-performance noise suppression for power lines in compact packaging
• Supports high current handling capabilities exceeding 8A
• Meets AEC-Q200 automotive qualification standards

Chip Ferrite Bead Applications

• Automotive electronic circuits requiring EMI suppression
• Power line filtering in compact electronic devices
• High-current signal integrity protection

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official documentation to confirm impedance values and tolerances. Ensure the selected variant matches the required automotive qualification status and current ratings for the target application environment.

Chip Ferrite Bead Selection Notes

Select this component when high current capacity and automotive reliability are required in an 0805 footprint. Compare against the BLM21SN300SN1D variant if different impedance characteristics or packaging options are needed for the specific circuit design.

Chip Ferrite Bead Part Context

This part belongs to the BLM21_Z series of ferrite beads designed for high-performance applications. The series offers significant current handling and impedance characteristics suitable for modern compact electronics and automotive systems requiring robust EMI filtering solutions.

Chip Ferrite Bead Replacement Considerations

BLM21SN300SN1D