BLM18KG331SH1D

Chip Ferrite Bead Overview

The Murata BLM18KG331SH1D is a single-channel ferrite chip bead in the EMIFIL BLM18 series, housed in a 0603 (1608 metric) surface-mount package. It provides an impedance of 330 Ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 1.7 A and exhibits a maximum DC resistance of 80 mOhms. It operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

• Provides high-impedance attenuation for high-frequency electromagnetic interference on power lines
• Automotive-grade reliability certified under AEC-Q200 standards
• Compact 0603 footprint designed for dense surface-mount assembly

Chip Ferrite Bead Applications

• High-frequency noise suppression on automotive power rails
• EMI filtering for data lines in electronic control units
• Signal integrity protection in compact mobile devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SH1D against official Murata documentation to confirm packaging configuration and tape-and-reel specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring robust EMI suppression with a 330 Ohm impedance profile at 100 MHz. The 1.7 A current rating makes it suitable for power line applications where low DC resistance is critical to minimizing voltage drop and power loss in the signal path.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM18 family of EMIFIL ferrite beads, which are widely used for noise suppression in automotive and industrial electronics. The BLM18 series offers various impedance values and current ratings within the standard 0603 package size to support diverse filtering requirements.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Cross-reference impedance curves and current ratings carefully when considering alternative manufacturers.