FB201209T-401Y-S

Chip Ferrite Bead Overview

The FB201209T-401Y-S is a multilayer ferrite chip bead manufactured by Cal-Chip Electronics, Inc. It operates as a single-function EMI suppressor in an 0805 (2012 Metric) surface mount package with dimensions of 2.0 mm length and 1.2 mm width. The component provides an impedance of 400 Ohms at 100 MHz and supports a maximum current rating of 300 mA. Its maximum DC resistance is specified at 300 mOhms, ensuring minimal signal loss while effectively attenuating high-frequency noise.

Chip Ferrite Bead Feature Summary

• Provides effective EMI/RFI attenuation through multilayer ferrite technology without requiring additional wiring
• Designed for robust performance with high electrode strength and solder heat resistance
• Optimized for surface mounting applications compatible with flow, reflow, and wave soldering processes

Chip Ferrite Bead Applications

• Power supply circuits
• Battery chargers
• Portable electronic devices
• Energy-efficient systems

Chip Ferrite Bead Procurement Notes

Verify the specific impedance tolerance and current ratings against your circuit requirements before procurement. Confirm that the 0805 package footprint matches your PCB design constraints. Ensure compatibility with your chosen soldering profile to maintain component integrity during assembly.

Chip Ferrite Bead Selection Notes

Select this component when high impedance at 100 MHz is required for noise suppression in compact designs. Consider the 300 mA current limit and low DC resistance for power line filtering. The surface mount format facilitates automated assembly in space-constrained portable electronics.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the FB series from Cal-Chip Electronics, designed for EMI suppression in electronic equipment. The series utilizes multilayered magnetic materials to offer high impedance volume efficiency. These components are engineered to eliminate EMI/RFI issues directly on the PCB, simplifying design layouts compared to conventional wire-wound beads.

Chip Ferrite Bead Replacement Considerations

Direct substitutes include other 0805 ferrite beads with similar 400 Ohm impedance at 100 MHz and comparable current ratings. Verify package dimensions and thermal characteristics to ensure mechanical and electrical compatibility during replacement.