BLM15BX102SN1D

Chip Ferrite Bead Overview

The Murata BLM15BX102SN1D is a single-line chip ferrite bead from the EMIFIL BLM15 series, designed for EMI suppression in signal lines. It features a 0402 (1005 metric) surface-mount package with dimensions of 1.00mm length, 0.55mm width, and a maximum height of 0.55mm. The component provides an impedance of 1 kOhms at 100 MHz with a tolerance of ±25%. It supports a maximum DC current of 300mA and has a maximum DC resistance (DCR) of 650 milliohms. The device operates within a temperature range of -55°C to +125°C and complies with RoHS3 standards.

Chip Ferrite Bead Feature Summary

• Designed specifically for high-frequency noise suppression in signal lines
• Multi-layer construction eliminates the need for grounding connections
• Nickel barrier layer on external electrodes ensures excellent soldering heat resistance
• Low resonance design helps prevent signal distortion in high-speed circuits

Chip Ferrite Bead Applications

• EMI suppression filters for portable devices
• Noise filtering for data transmission lines
• Signal integrity protection in consumer electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against the manufacturer's latest datasheet to confirm packaging type and tape/reel specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit. Cross-reference the part number with official Murata documentation to avoid confusion with similar series members like BLM15AG or BLM15HD which may have different electrical characteristics.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a 0402 footprint for signal line filtering. The 300mA current rating suits low-power digital interfaces. Compare DCR values against other BLM15 variants if voltage drop is critical. Utilize the SimSurfing tool to validate impedance performance at specific operating frequencies before finalizing the design.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM15 series of multi-layer ferrite beads. These components are engineered to suppress electromagnetic interference in GHz frequency bands without requiring ground connections. The series offers various impedance values and current ratings within standard EIA sizes, making them suitable for compact electronic designs where signal integrity is paramount.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.