LI0402B301R-00

Chip Ferrite Bead Overview

The LI0402B301R-00 is a single-line ferrite bead from the Laird-Signal Integrity Products LI series, designed for surface mount installation in the 0402 (1005 metric) package. It exhibits an impedance of 300 Ohms at 100 MHz and supports a maximum current rating of 200mA with a maximum DC resistance of 0.8 Ohms. The component operates within a temperature range of -40°C to 125°C.

Chip Ferrite Bead Feature Summary

• Provides EMI filtering for power and signal lines
• Features low DC resistance for minimal voltage drop
• Constructed with two ferrite beads connected in series

Chip Ferrite Bead Applications

• Power line filtering
• Signal line filtering

Chip Ferrite Bead Procurement Notes

Verify the specific suffix and manufacturer documentation to confirm exact electrical characteristics and RoHS compliance status. Ensure the selected component matches the required impedance and current ratings for the target circuit design before finalizing procurement.

Chip Ferrite Bead Selection Notes

Select this component for applications requiring compact EMI suppression in tight space constraints. Consider the 200mA current limit and 0.8 Ohm DCR when designing power delivery networks or sensitive signal paths that require attenuation at high frequencies.

Chip Ferrite Bead Part Context

This part belongs to the LI series of chip ferrite beads manufactured by Laird-Signal Integrity Products. These components are engineered for high-frequency noise suppression in portable electronics and communication devices where small form factors are critical.

Chip Ferrite Bead Replacement Considerations

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