BLM18SG331TZ1D

Chip Ferrite Bead Overview

The Murata BLM18SG331TZ1D is a surface-mount chip ferrite bead from the EMIFIL BLM18S series, housed in a 0603 (1608 metric) package. It provides an impedance of 330 ohms at 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1.5A and features a low maximum DC resistance of 70 milliohms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Low DC resistance design enables operation in high-current circuits
• AEC-Q200 qualified for automotive electronic applications
• Surface-mount construction suitable for automated assembly

Chip Ferrite Bead Applications

• Power line filtering in automotive electronics
• EMI suppression in high-current signal paths
• Noise reduction in automotive power distribution systems

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical tolerances and packaging specifications. Ensure the selected variant matches the required current rating and impedance characteristics for the target circuit design. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for high-current noise suppression. The low DC resistance minimizes voltage drop in power lines carrying up to 1.5A. Consider the 330-ohm impedance profile for effective attenuation at 100 MHz. Verify thermal management requirements given the operating temperature limits and self-heating under rated current conditions.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM18S series, which is engineered specifically for high-current applications. The series utilizes specialized materials to achieve low DC resistance while maintaining effective high-frequency noise absorption capabilities. It serves as a critical passive component for electromagnetic interference suppression in compact electronic designs.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Murata resources or authorized distributors for verified cross-references that match the specific impedance, current rating, and package dimensions.