BLM18KG331SN1D

Chip Ferrite Bead Overview

The Murata BLM18KG331SN1D is a surface-mount ferrite bead from the EMIFIL BLM18KG series, housed in a 0603 (1608 metric) package. It provides an impedance of 330 Ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current rating of 1.7A and features a maximum DC resistance of 300 mOhms. It operates within a temperature range of -55°C to +125°C and measures 1.6mm in length, 0.8mm in width, and 0.8mm in height.

Chip Ferrite Bead Feature Summary

• Provides high-impedance attenuation for electromagnetic interference suppression in single-line circuits
• Designed for surface-mount assembly on printed circuit boards
• Constructed from ferrite material to absorb high-frequency noise energy

Chip Ferrite Bead Applications

• EMI suppression filters
• Digital interface signal lines

Chip Ferrite Bead Procurement Notes

Verify the complete part number including the suffix SN1D to ensure correct impedance and packaging specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference the specific datasheet version to validate electrical parameters against design requirements.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for EMI filtering with a 1.7A current capacity. Ensure the target frequency band aligns with the 100 MHz impedance specification. Verify that the PCB thermal management supports the specified operating temperature range during operation.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18KG series of chip ferrite beads. The series offers various impedance values within the standard 0603 case size, allowing designers to customize noise suppression characteristics while maintaining consistent physical dimensions for automated placement processes.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Generic ferrite beads may not match the specific impedance curve or current handling capabilities.