BLM18HD102SN1D

Chip Ferrite Bead Overview

The Murata BLM18HD102SN1D is a single-channel ferrite chip bead in the BLM18H_SN series, designed for surface mount applications. It features a 0603 (1608 metric) package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. The component provides an impedance of 1 kOhms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 50 mA and has a maximum DC resistance of 1.8 Ohms. The operating temperature range spans from -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Modified internal electrode structure minimizes stray inductance
• High impedance characteristics for effective noise suppression
• Compact 0603 footprint suitable for space-constrained designs

Chip Ferrite Bead Applications

• High-speed signal line filtering
• EMI suppression filter circuits

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against official Murata documentation to confirm packaging details and compliance status. Ensure that the selected variant matches the required impedance tolerance and current rating specifications for the target application environment. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and availability.

Chip Ferrite Bead Selection Notes

Select this component when low stray inductance is critical for high-frequency performance. The 50 mA current rating limits suitability for power lines; verify that the load current remains within safe operational boundaries. Consider the 1.8 Ohm DC resistance impact on voltage drop. Compare against other BLM18H variants if higher current capacity or different impedance profiles are required.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18H series of ferrite beads. The series utilizes a modified internal electrode structure to minimize stray inductance, distinguishing it from standard ferrite chip beads. It is categorized under Ferrites and Ferrite Chip Beads, serving as a passive electronic component for electromagnetic interference suppression in digital and analog circuits.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.