BLM21SP601SZ1D

Chip Ferrite Bead Overview

The Murata BLM21SP601SZ1D is a single-line ferrite chip bead in the EMIFIL BLM21 series, housed in an SMD 0805 (2012 metric) package. It provides 600 Ohms impedance at 100 MHz with a 25% tolerance. The component supports a maximum DC current of 2.3 A and features a maximum DC resistance of 168 mOhms. Operating temperatures range from -55°C to +125°C. Physical dimensions are 2 mm length, 1.25 mm width, and 0.6 mm height. It meets AEC-Q200 qualification standards.

Chip Ferrite Bead Feature Summary

• Designed to function nearly as a resistor at noise frequencies to reduce resonance possibilities
• Maintains signal waveform integrity by minimizing distortion during filtering operations
• Single-channel configuration optimized for compact surface-mount circuit layouts

Chip Ferrite Bead Applications

• Automotive electronic systems requiring AEC-Q200 qualified components
• High-current power line noise suppression applications
• Compact PCB designs utilizing 0805 footprint constraints

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SZ1D' against official Murata documentation to confirm packaging type and tape/reel specifications. Ensure the selected variant matches the required 2.3A current rating and 600 Ohm impedance tolerance. Cross-reference the AEC-Q200 automotive qualification status if the application demands rigorous reliability standards. Confirm RoHS compliance details directly from the manufacturer datasheet prior to final procurement decisions.

Chip Ferrite Bead Selection Notes

Select this component when high current handling capability is required alongside effective high-frequency noise attenuation. The 0805 package offers a balance between current capacity and board space efficiency compared to smaller footprints. Consider the low DC resistance value to minimize voltage drop and power loss in power supply lines. Evaluate thermal performance within the specified operating temperature range for long-term stability.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM21 series of ferrite beads. The series is engineered for noise reduction in various electronic circuits. The BLM21SP variant specifically targets higher current applications while maintaining standard 0805 dimensions. It serves as a passive filter element within broader electromagnetic interference mitigation strategies.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.