BLM18KG471WH1D

Chip Ferrite Bead Overview

The Murata BLM18KG471WH1D is a single-channel ferrite chip 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 of 1.5 A and features a maximum DC resistance of 130 mΩ. It operates within a temperature range of -55°C to +125°C, with physical dimensions of 1.6 mm length, 0.8 mm width, and a maximum height of 0.95 mm.

Chip Ferrite Bead Feature Summary

• Provides high-current noise suppression for power lines in compact surface-mount designs
• Utilizes ferrite material to attenuate electromagnetic interference across specified frequencies
• Designed for stable performance across extended industrial temperature ranges

Chip Ferrite Bead Applications

• EMI suppression filters for digital interfaces
• Power line filtering in electronic circuits
• Noise reduction in automotive electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm electrical characteristics, as suffixes define critical parameters like current rating and impedance. Ensure the requested part matches the required package size and thermal specifications for the target application environment.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for high-current applications needing 470 Ohm attenuation at 100 MHz. Compare against similar series parts if different current ratings or impedance values are needed. Confirm RoHS compliance and moisture sensitivity levels for the assembly process.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18KG series of ferrite beads, designed for general-purpose noise suppression. The series offers various impedance and current combinations within the standard 0603 package, allowing designers to optimize board space while managing EMI in sensitive signal and power paths.

Chip Ferrite Bead Replacement Considerations

BLM18KG471SN1D and BLM18KG471SZ1D are confirmed substitutes from Murata with identical electrical specifications and 0603 packaging.