BLM15KD300SN1D

Chip Ferrite Bead Overview

The Murata BLM15KD300SN1D is a single-line ferrite chip bead in the BLM15_SN series, housed in a 0402 (1005 metric) surface-mount package. It provides an impedance of 30 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 3.1 A and exhibits a maximum DC resistance of 17 mOhms. It operates within a temperature range of -55°C to +125°C and measures 1.0 mm in length, 0.5 mm in width, and 0.5 mm in height.

Chip Ferrite Bead Feature Summary

• Provides signal line noise suppression through high-impedance characteristics at specific frequencies
• Designed for compact surface-mount integration in space-constrained circuit layouts
• Capable of handling significant direct current loads without saturation

Chip Ferrite Bead Applications

• Signal line filtering in electronic circuits
• Noise suppression for high-speed digital signals
• Power supply decoupling in compact devices

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes against official Murata documentation to ensure correct impedance and current ratings. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Cross-reference datasheet specifications for thermal performance and packaging details to align with assembly processes.

Chip Ferrite Bead Selection Notes

Select this component when a 0402 footprint is required for signal line filtering with a 30 Ohm impedance target. Ensure the application current does not exceed the 3.1 A rating to maintain performance. Consider the low DC resistance for minimal voltage drop in power distribution paths. Verify compatibility with standard reflow soldering profiles for the specified operating temperature range.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM15_SN series of ferrite beads, designed for general-purpose noise suppression. The series offers various impedance values and current ratings within the 0402 package size. It serves as a passive filter element to attenuate high-frequency electromagnetic interference in sensitive electronic systems.

Chip Ferrite Bead Replacement Considerations

Consult official Murata resources for verified substitutes. Alternative components must match the 0402 footprint, 30 Ohm impedance at 100 MHz, and 3.1 A current handling capability.