HI0805R121R-10

Chip Ferrite Bead Overview

The HI0805R121R-10 is a single-line ferrite bead from Laird-Signal Integrity Products, designed for power and signal line filtering. It features a 0805 (2012 metric) surface-mount package with dimensions of 0.079 inches in length and 0.049 inches in width. The component provides an impedance of 120 Ohms at 100 MHz. It supports a maximum rated current of 4A and has a maximum DC resistance of 35 milliohms. The device operates within a temperature range of -40°C to 125°C.

Chip Ferrite Bead Feature Summary

• Provides high impedance attenuation for electromagnetic interference suppression on power and signal lines.
• Monolithic construction ensures reliability in compact surface-mount applications.
• Capable of handling high continuous currents suitable for power distribution networks.

Chip Ferrite Bead Applications

• Power supply input filtering
• Signal line noise suppression
• High-frequency EMI mitigation in portable electronics

Chip Ferrite Bead Procurement Notes

Verify the manufacturer part number against official Laird documentation to ensure authenticity. Confirm that the specific ordering suffix matches the required impedance and current ratings. Check for RoHS compliance status relevant to your region's regulations. Ensure the package type aligns with your PCB footprint requirements before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 120 Ohm impedance at 100 MHz is required for noise filtering. The 4A current rating makes it suitable for higher power applications compared to lower-current variants. Consider the 0805 package size for space-constrained designs requiring robust thermal and electrical performance.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the HI series from Laird-Signal Integrity Products, which focuses on signal integrity solutions. It complements other components like the MI0805K110R-10 and HI0805P121R-10 within the manufacturer's portfolio, offering specific impedance characteristics for diverse electronic circuit requirements.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult official Laird documentation for cross-reference information or equivalent specifications if direct replacement is necessary.