BLM18SP102SZ1D

Chip Ferrite Bead Overview

The Murata BLM18SP102SZ1D is a single-channel ferrite chip bead in a 0603 (1608 metric) surface-mount package. It provides an impedance of 1 kOhms with a tolerance of ±25%. The component supports a maximum DC current of 1.2 A and has a maximum DC resistance of 222 mOhms. It operates within a temperature range of -55°C to +125°C. Physical dimensions are 1.6 mm length, 0.8 mm width, and 0.6 mm height. The device meets AEC-Q200 qualification standards for automotive applications.

Chip Ferrite Bead Feature Summary

• Designed for high-current power line noise suppression
• Automotive-grade reliability via AEC-Q200 qualification
• Compact 0603 footprint for space-constrained layouts

Chip Ferrite Bead Applications

• Power line filtering in automotive electronics
• High-frequency noise suppression in DC circuits
• EMI mitigation in compact mobile devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SZ1D' against official Murata documentation to confirm packaging configuration and material compliance. 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 high DC current handling up to 1.2 A is required alongside significant impedance at 100 MHz. The 0603 size offers a balance between current capacity and board space efficiency compared to smaller packages.

Chip Ferrite Bead Part Context

This part belongs to the EMIFIL BLM18SP series, which focuses on power line applications. It differs from signal-line variants by its higher current rating and optimized core material for power integrity.

Chip Ferrite Bead Replacement Considerations

Check Murata's alternate sizing guide for direct replacements. Verify that any substitute maintains the 1.2 A current rating and 1 kOhm impedance specification.