BLM18AG221BH1D

Chip Ferrite Bead Overview

The Murata BLM18AG221BH1D is a single ferrite chip bead in a 0603 (1608 metric) package. It provides an impedance of 220 Ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 700 mA and has a maximum DC resistance of 250 mOhms. It operates within a temperature range of -55°C to +125°C. Dimensions are 1.6 mm length, 0.8 mm width, and 0.8 mm height. It holds AEC-Q200 automotive qualification.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression for power lines
• Automotive qualified under AEC-Q200 standards
• Compact surface-mount design for space-constrained layouts

Chip Ferrite Bead Applications

• Automotive power line filtering
• Power supply circuit noise reduction
• Electronic equipment EMI suppression

Chip Ferrite Bead Procurement Notes

Verify the specific suffix BH1D against official Murata documentation to confirm packaging details and terminal configuration. Ensure the selected variant matches the required impedance and current ratings for the target application. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for automotive-grade noise suppression. Compare the 700 mA current rating against circuit load requirements. Consider the 250 mOhm DC resistance impact on voltage drop. Evaluate thermal performance within the specified operating temperature range.

Chip Ferrite Bead Part Context

This part belongs to the BLM18AG series of ferrite beads designed for automotive applications. The series offers various impedance values in a standardized 0603 package. It is engineered to meet strict automotive reliability standards while providing effective electromagnetic interference mitigation in compact electronic assemblies.

Chip Ferrite Bead Replacement Considerations

Check Murata datasheets for other BLM18AG variants with identical 220 Ohm impedance and compatible current ratings. Verify package dimensions and electrical characteristics before substitution.