EMI0805R-400

Chip Ferrite Bead Overview

The Delevan EMI0805R-400 is a surface-mount ferrite bead designed for EMI and RFI suppression. It exhibits an impedance of 400 Ohms at 100 MHz with a maximum DC resistance of 300 mOhm. The component supports a current rating of 500 mA and operates within a temperature range of -55°C to 125°C. Housed in an 0805 package, it provides effective noise filtering for high-frequency circuits.

Chip Ferrite Bead Feature Summary

• Provides effective EMI and RFI suppression in a compact surface-mount form factor
• Engineered for high-frequency noise filtering applications
• Capable of handling significant current loads while maintaining low DC resistance

Chip Ferrite Bead Applications

• High-frequency circuit noise filtering
• EMI suppression in signal lines
• RFI mitigation in sensitive electronic assemblies

Chip Ferrite Bead Procurement Notes

Verify the specific impedance tolerance and current derating curves against your application requirements before integration. Confirm that the 0805 footprint dimensions align with your PCB layout constraints. Ensure the operating temperature range meets the environmental conditions of the final assembly. Check for any recent lifecycle notifications regarding availability or substitution from the manufacturer.

Chip Ferrite Bead Selection Notes

Select this component when a 400 Ohm impedance at 100 MHz is required for noise suppression. Consider the 500 mA current rating to ensure adequate headroom for the target circuit. The low DC resistance minimizes voltage drop across the component. Evaluate the thermal performance within the specified -55°C to 125°C range for reliability.

Chip Ferrite Bead Part Context

This part belongs to the EMI0805R series of ferrite beads manufactured by Delevan. These components are specifically designed for surface-mount technology (SMT) applications. The series offers various impedance values to suit different filtering needs while maintaining a standardized 0805 package size for easy integration into modern electronics.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative ferrite beads based on impedance, current rating, and package dimensions if sourcing issues arise.