BLM18PG331SZ1D

Chip Ferrite Bead Overview

The Murata BLM18PG331SZ1D is a single-line chip ferrite bead in the BLM18P series, housed in a 0603 (1608 metric) surface-mount package. It provides an impedance of 330 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 1.2 A and features a maximum DC resistance of 150 mOhms. 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

• Designed for high-frequency noise suppression on DC power rails and sensitive signal paths
• Automotive-grade construction certified under AEC-Q200 standards
• Unshielded single-line configuration suitable for compact PCB layouts

Chip Ferrite Bead Applications

• DC power line filtering in automotive electronic systems
• EMI suppression for sensitive signal circuits
• Noise reduction in portable electronic devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix Z1D against official Murata documentation to confirm the exact impedance value and tolerance. Ensure the selected packaging format matches production requirements. Confirm RoHS compliance status and check for any recent Product Change Notices that may affect availability or specifications before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for automotive applications needing 330 Ohms attenuation at 100 MHz. Evaluate the 1.2 A current rating against peak load conditions to prevent saturation. Compare the 150 mOhms DC resistance against voltage drop constraints in the target power circuit design.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM18P series of EMIFIL ferrite beads. The series offers various impedance values in a standardized 0603 case size. These components are engineered for EMI suppression in both consumer electronics and automotive environments, providing reliable performance across wide temperature ranges.

Chip Ferrite Bead Replacement Considerations

Cross-reference with other BLM18PG331 variants such as BLM18PG331SH1D for identical electrical characteristics. Verify package compatibility and ensure substitute parts maintain AEC-Q200 certification if automotive usage is required.