EXC-28BB121U

Chip Ferrite Bead Overview

The EXC-28BB121U is a common mode noise filter manufactured by Panasonic Industry. It features an impedance of 120 Ohms with a tolerance of 25%. The component supports a maximum DC current of 100 mA and has a maximum DC resistance of 3 Ohms. It operates within a temperature range of -40°C to +85°C. The device is housed in an 0804 (2010 metric) surface mount package with dimensions of 2 mm length, 1 mm width, and 0.5 mm height.

Chip Ferrite Bead Feature Summary

• Provides common mode noise suppression for signal lines
• Designed for surface mount PCB integration
• Constructed as a coupled array bead core

Chip Ferrite Bead Applications

• Signal line noise filtering in electronic circuits
• Common mode interference suppression in data transmission paths

Chip Ferrite Bead Procurement Notes

Verify the obsolete status of this part number before initiating any procurement activities. Confirm availability through authorized distributors or secondary market suppliers, as original manufacturing has ceased. Ensure that any substitute components meet the required electrical specifications and physical footprint constraints for your specific design application.

Chip Ferrite Bead Selection Notes

This component belongs to the EXC series of ferrite beads. When selecting alternatives, prioritize parts with matching impedance values and current ratings. Consider the physical package size compatibility with existing PCB layouts. Verify that replacement options maintain similar thermal performance characteristics within the specified operating temperature range.

Chip Ferrite Bead Part Context

The EXC-28BB121U is part of Panasonic's passive component portfolio, specifically categorized under ferrite beads and chips. It serves as a noise suppression element in electronic assemblies. This particular model represents a discontinued product within the manufacturer's lineup, necessitating careful evaluation of lifecycle status during component selection processes.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitutes are not available in the provided documentation. Consult official manufacturer channels for validated replacement recommendations.