EMI0805R-300

Chip Ferrite Bead Overview

The Delevan EMI0805R-300 is a surface-mount ferrite bead designed for EMI and RFI suppression. It features an impedance of 300 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 300 mA and has a maximum DC resistance of 350 mOhms. It operates within a temperature range of -55°C to +125°C. The physical dimensions are 2.0 mm in length, 1.25 mm in width, and 0.5 mm in height, conforming to the 0805 package style.

Chip Ferrite Bead Feature Summary

• Provides effective electromagnetic interference and radio frequency interference suppression in compact surface-mount form factors.

Chip Ferrite Bead Applications

• EMI/RFI suppression circuits
• Signal line filtering
• Power supply noise reduction

Chip Ferrite Bead Procurement Notes

Verify the specific manufacturer designation, as API Delevan components may be listed under various legacy branding. Confirm RoHS compliance status through official documentation before integration. Ensure the selected variant matches the required impedance and current ratings for the target application circuit design.

Chip Ferrite Bead Selection Notes

Select this component when high-frequency noise attenuation is required in space-constrained designs. Evaluate the 300 mA current rating against peak load requirements to prevent saturation. Consider the 350 mOhm DC resistance impact on voltage drop in low-voltage power distribution paths.

Chip Ferrite Bead Part Context

This part belongs to the EMI0805R series of ferrite chip beads manufactured by Delevan. These components are engineered for high-reliability applications requiring robust EMI suppression capabilities in standard surface-mount packages suitable for automated PCB assembly processes.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative ferrite beads based on impedance curves and current handling specifications if sourcing from different manufacturers.

Chip Ferrite Bead FAQ

What is the test frequency for the impedance specification?

The impedance of 300 Ohms is specified at a test frequency of 100 MHz.

What is the maximum operating temperature?

The maximum operating temperature for this component is +125°C.