BLM18BD221BH1D

Chip Ferrite Bead Overview

The Murata BLM18BD221BH1D is a single-line ferrite chip bead in the EMIFIL BLM18 series, housed in a 0603 (1.6 x 0.8 mm) surface-mount package. It provides an impedance of 220 Ohms at 100 MHz with a 25% tolerance. The component supports a maximum DC current of 250 mA and features a maximum DC resistance of 450 mOhms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Designed for power line noise suppression applications
• Automotive-grade reliability certified under AEC-Q200 standards
• Single-line configuration for compact circuit integration

Chip Ferrite Bead Applications

• Automotive power distribution networks
• On-board electronic control unit filtering
• Noise suppression in automotive safety systems

Chip Ferrite Bead Procurement Notes

Verify the specific suffix BH1D against official Murata documentation to confirm packaging and tape specifications. Ensure the selected variant matches the required AEC-Q200 qualification level for automotive deployment. Cross-reference the impedance value at 100 MHz with design requirements before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for power line filtering in automotive environments. The 250 mA rating suits low-current DC lines, while the 220 Ohm impedance targets specific high-frequency noise profiles. Confirm thermal stability needs align with the specified operating temperature range.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM18 family of ferrite beads, specifically engineered for automotive electronics. The BLM18 series emphasizes miniaturization and high reliability, meeting stringent industry standards for harsh operating conditions and long-term durability in vehicle applications.

Chip Ferrite Bead Replacement Considerations

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