BLM21AG601SN1D

Chip Ferrite Bead Overview

The Murata BLM21AG601SN1D is a single-line ferrite chip bead in an 0805 (2012 metric) surface-mount package. It provides 600 Ohms impedance at 100 MHz with a 25% tolerance. The component supports a maximum DC current of 700 mA and has a maximum DC resistance of 200 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.

Chip Ferrite Bead Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• High current handling capability up to 700 mA
• Compact 0805 surface-mount footprint

Chip Ferrite Bead Applications

• Digital interface noise suppression
• EMI filtering in automotive electronics
• Power line noise attenuation

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against official Murata documentation to confirm packaging details and RoHS compliance status. Ensure the selected variant matches the required AEC-Q200 certification if used in automotive contexts. Cross-reference the impedance value at 100 MHz with circuit simulation requirements before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when high current capacity is required alongside significant impedance at 100 MHz. The 0805 package offers a balance between current handling and board space efficiency. Verify that the 200 mOhm DC resistance meets the voltage drop constraints of the target power rail or signal line.

Chip Ferrite Bead Part Context

This part belongs to the BLM21 series of EMIFIL ferrite beads designed for EMI suppression. The AG suffix typically denotes specific material characteristics and automotive qualification, while the 601 code indicates the 600 Ohm impedance rating. It serves as a passive filter component in modern electronic assemblies.

Chip Ferrite Bead Replacement Considerations

Direct substitutes include parts from other manufacturers offering identical 0805 footprints, 600 Ohm impedance, and comparable current ratings. Verify thermal performance and impedance curves match the original design specifications.