BLM18SP221SH1D

Chip Ferrite Bead Overview

The Murata BLM18SP221SH1D is a single-line ferrite bead in a 0603 (1608 metric) surface-mount package. It provides an impedance of 220 ohms at 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 2.8 A and has a maximum DC resistance of 40 milliohms. It operates within a temperature range of -55°C to +125°C and meets the AEC-Q200 automotive qualification standard.

Chip Ferrite Bead Feature Summary

• Automotive-grade reliability certified under AEC-Q200 standards
• High current handling capability suitable for power line filtering
• Compact 0603 footprint for dense PCB layouts

Chip Ferrite Bead Applications

• Automotive electronic circuit noise suppression
• Power line filtering in vehicle systems
• EMI suppression in high-current signal paths

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical tolerances and packaging configurations. Ensure the procurement source provides valid traceability and authenticity certificates, as automotive components require strict quality assurance protocols during sourcing.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring robust noise attenuation on high-current lines within automotive environments. The 2.8 A rating allows it to handle significant load currents without saturation, while the 220 Ohm impedance effectively targets common interference frequencies in the 100 MHz range.

Chip Ferrite Bead Part Context

This part belongs to the BLM18SP series, which is Murata's dedicated line of automotive-qualified ferrite beads. The series is engineered specifically for the harsh thermal and electrical conditions found in modern vehicles, offering consistent performance across the specified wide operating temperature range.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Cross-referencing requires matching impedance, current ratings, and package dimensions to ensure functional compatibility in existing designs.