BLM18BA220SN1D

Chip Ferrite Bead Overview

The Murata BLM18BA220SN1D is a single-line chip ferrite bead from the EMIFIL BLM18BA series, designed for high-speed signal line noise suppression. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.6mm length, 0.8mm width, and 0.8mm height. The component provides an impedance of 22 Ohms at 100 MHz with a tolerance of 25%. It supports a maximum DC current of 500mA and has a maximum DC resistance of 350 mOhms. The operating temperature range spans from -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Suppresses high-frequency noise in high-speed signal lines
• Single-line configuration for compact circuit design
• Complies with RoHS3 specifications

Chip Ferrite Bead Applications

• EMI suppression filters
• High-speed signal lines

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffix SN1D to ensure correct impedance and packaging. Confirm that the 0603 footprint matches the target PCB layout. Check for RoHS3 compliance requirements if applicable to the final assembly standards. Ensure the 500mA current rating meets the specific circuit load demands.

Chip Ferrite Bead Selection Notes

Select this component when a 22 Ohm impedance at 100 MHz is required for noise filtering in space-constrained designs. The 0603 package allows for dense mounting. Consider the 500mA current rating to prevent saturation or excessive heating. The wide temperature range suits various environmental conditions.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18BA series of EMIFIL chip ferrite beads. The series is specifically engineered for suppressing high-frequency noise in high-speed signal applications. The BLM18BA designation indicates the specific material and performance characteristics within the broader BLM18 family.

Chip Ferrite Bead Replacement Considerations

BLM18BB220SN1D offers similar impedance but may have different DC resistance characteristics. BLM18AG221SN1D provides higher impedance. Verify electrical parameters and physical dimensions before substitution.