BLM18KG221SZ1D

Chip Ferrite Bead Overview

The Murata BLM18KG221SZ1D is a single-channel ferrite chip 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 1000 mA and features a maximum DC resistance of 450 mOhms. It operates within a temperature range of -55°C to +125°C and is rated for AEC-Q200 automotive standards.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression via ferrite core technology
• Designed for automotive applications meeting AEC-Q200 reliability standards
• Single-line configuration suitable for power line filtering

Chip Ferrite Bead Applications

• Automotive infotainment system power lines
• Noise suppression in automotive electronic control units
• Power supply filtering in vehicle electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SZ' against official Murata documentation to confirm the 1000 mA rating, as standard KG series parts often differ. Ensure the selected packaging matches production requirements. Confirm RoHS compliance status directly from the manufacturer's datasheet before finalizing procurement specifications.

Chip Ferrite Bead Selection Notes

Select this component when automotive-grade reliability is required for 0603 form factor noise suppression. Compare the 450 mOhms DCR against circuit voltage drop constraints. Verify that the 1000 mA current rating aligns with the target application's peak load requirements to prevent saturation or excessive heating.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM18KG series, which is specifically engineered for automotive use. The series offers various impedance and current ratings within the 0603 footprint. The BLM18KG221SZ1D represents a higher current variant compared to standard industrial versions, targeting robust automotive environments.

Chip Ferrite Bead Replacement Considerations

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