FCB-0805-310P

Chip Ferrite Bead Overview

The FCB-0805-310P is a single-channel ferrite bead from Signal Transformer, designed for surface-mount applications in the 0805 (2012 Metric) package. It exhibits an impedance of 31 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 4 A and maintains a low maximum DC resistance of 20 mOhms. Physical dimensions include a length of 2 mm, width of 1.25 mm, and height of 0.9 mm. It operates within a minimum temperature range of -55 C.

Chip Ferrite Bead Feature Summary

• Provides electromagnetic interference suppression through high-frequency impedance characteristics
• Supports high-current power line applications with minimal DC resistance
• Utilizes shielded construction for effective noise reduction

Chip Ferrite Bead Applications

• Power supply circuits
• Battery charger systems
• Portable electronic devices

Chip Ferrite Bead Procurement Notes

Verify the specific manufacturer part number against official datasheets to ensure compatibility with design requirements. Confirm that the 0805 package dimensions and termination style match the PCB layout. Check RoHS compliance status if required by regulatory standards. Ensure the 4 A current rating and 31 Ohm impedance specifications align with the target circuit's noise filtering needs.

Chip Ferrite Bead Selection Notes

Select this component when a compact surface-mount ferrite bead is needed for power lines requiring up to 4 A. The 31 Ohm impedance at 100 MHz targets specific high-frequency noise profiles. Consider the 20 mOhm DC resistance for efficiency-sensitive designs. The 0805 footprint offers space-saving advantages over larger packages while maintaining robust current handling capabilities.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the FCB series of signal transformers, specifically engineered for chip-level EMI suppression. The product line emphasizes high-current performance in small form factors. It serves as a passive component for filtering noise in DC power distribution networks across various consumer and industrial electronics.

Chip Ferrite Bead Replacement Considerations

The FCB-0805-301P is a related variant offering 300 Ohms impedance at 100 MHz. Verify if the higher impedance meets the specific filtering requirements of the application before substitution.