BLM18EG471SH1D

Chip Ferrite Bead Overview

The Murata BLM18EG471SH1D is a single-line chip ferrite bead in a 0603 (1608 metric) surface-mount package. It provides an impedance of 470 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current rating of 500 mA and features a maximum DC resistance of 210 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Functions as a resistor at noise frequencies to reduce resonance possibilities
• Maintains undistorted signal waveforms during operation
• Single-line configuration for compact circuit integration

Chip Ferrite Bead Applications

• Automotive electronic systems
• Power supply circuits
• Signal line noise suppression

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SH1D against official Murata documentation to confirm packaging type and tape/reel specifications. Ensure the selected variant matches the required AEC-Q200 automotive grade if applicable to the target application environment.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for high-frequency noise attenuation. The 500 mA current rating suits moderate power lines, while the 470 Ohm impedance targets specific MHz-range interference. Confirm thermal stability requirements align with the 125°C maximum operating limit.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM18 series of ferrite beads. The series is engineered to suppress electromagnetic interference in compact electronic designs. The BLM18EG variant specifically addresses automotive and industrial applications requiring robust noise filtering in small form factors.

Chip Ferrite Bead Replacement Considerations

Consult the official Murata BL/NFZ Automotive Part Number Guide for verified substitutes. Cross-reference impedance curves and current ratings to ensure functional equivalence.