BLM15AX300SN1D

Chip Ferrite Bead Overview

The Murata BLM15AX300SN1D is a single-line chip ferrite bead in the EMIFIL BLM15 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 1.1 A and exhibits a maximum DC resistance of 60 mOhms. It operates within a temperature range of -55°C to +125°C. Physical dimensions are 1.0 mm in length, 0.5 mm in width, and 0.5 mm in height. The device is RoHS compliant and classified under ECCN EAR99.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through specific impedance characteristics at 100 MHz.
• Supports continuous DC currents up to 1.1 A with minimal resistive voltage drop.
• Designed for compact surface-mount assembly on dense printed circuit boards.

Chip Ferrite Bead Applications

• Noise filtering in microcontroller power supply lines
• EMI suppression in sensor interface circuits
• Signal integrity management in general-purpose digital logic

Chip Ferrite Bead Procurement Notes

Verify the complete part number against official Murata documentation to ensure correct impedance and packaging specifications. Confirm that the required operating temperature range and current ratings align with the target circuit design. Check for updated compliance certifications such as RoHS status prior to finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a low-impedance path is required for DC signals while attenuating noise around 100 MHz. The 0402 footprint is suitable for space-constrained layouts. Ensure the circuit's maximum steady-state current does not exceed 1.1 A to prevent thermal degradation or performance loss during operation.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM15AX series of ferrite beads, which are engineered for EMI suppression in portable electronic devices. The series utilizes specialized ferrite materials to optimize absorption characteristics across various frequency bands while maintaining small physical profiles compatible with automated surface-mount manufacturing processes.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Cross-referencing requires matching impedance values, current ratings, and package dimensions to maintain circuit performance and mechanical fit without redesigning the layout.