LI0805H121R-00

Chip Ferrite Bead Overview

The LI0805H121R-00 is a single-line ferrite bead from the LI series, manufactured by Laird-Signal Integrity Products. It features a 1206 (3216 metric) surface-mount package with dimensions of 3.20mm length and 1.60mm width. The component provides an impedance of 120 Ohms at 100 MHz and supports a maximum rated current of 800mA. Its maximum DC resistance is 150 milliohms. The device operates within a temperature range of -40°C to 125°C.

Chip Ferrite Bead Feature Summary

• Provides electromagnetic interference filtering for power and signal lines
• Designed for high-current applications with low DC resistance
• Utilizes a monolithic single-line construction

Chip Ferrite Bead Applications

• Power line filtering
• Signal line noise suppression

Chip Ferrite Bead Procurement Notes

This component is officially classified as obsolete and no longer manufactured. Verification of availability requires checking for direct substitutes or alternative sources. Sourcing should focus on confirmed replacement part numbers rather than original stock. Ensure compatibility with existing designs when transitioning to substitute components.

Chip Ferrite Bead Selection Notes

Select this component for applications requiring specific impedance characteristics in a standard surface-mount footprint. Consider the 800mA current rating and 150 milliohm DC resistance for power integrity. Verify that the 120 Ohm impedance at 100 MHz meets the target frequency requirements for noise attenuation in the circuit design.

Chip Ferrite Bead Part Context

The LI0805H121R-00 belongs to the LI series of EMI filtering components. It is a passive electronic component used to suppress high-frequency noise. The manufacturer specializes in signal integrity products. This specific part number represents a discontinued item within the product portfolio.

Chip Ferrite Bead Replacement Considerations

Direct substitute: LI1206H121R-10.