CIB21J400NC

Chip Ferrite Bead Overview

The CIB21J400NC is a ferrite bead from Samsung Electro-Mechanics, designed for surface-mount technology in the 0805 (2012 metric) package. It exhibits an impedance of 40 ohms at 100 MHz and supports a maximum current rating of 2 amperes. The component features a low direct current resistance of 50 milliohms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides effective high-frequency noise suppression through specified impedance characteristics.
• Supports high-current applications with a rated capacity of 2 amperes.
• Ensures signal integrity via low direct current resistance.

Chip Ferrite Bead Applications

• High-speed data line filtering
• Power supply noise attenuation
• EMI suppression in compact electronic modules

Chip Ferrite Bead Procurement Notes

Verify the specific manufacturer datasheet for the CIB21J400NC to confirm current availability status and lead times. Ensure that the selected component meets all required electrical specifications for your design, including impedance curves and thermal performance limits under actual operating conditions.

Chip Ferrite Bead Selection Notes

Select this component when a 0805 footprint is required for high-current noise filtering. The 40-ohm impedance at 100 MHz makes it suitable for suppressing interference in digital circuits. Verify that the 2A current rating aligns with the peak currents present in the target circuit path to prevent saturation or excessive heating.

Chip Ferrite Bead Part Context

This part belongs to the CIB series of multilayer ferrite beads manufactured by Samsung Electro-Mechanics. These components are engineered for general-purpose electromagnetic interference suppression in portable and industrial electronics. The series offers various impedance values and current ratings within standardized package sizes.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers for the CIB21J400NC were not identified in the provided source material. Cross-referencing with other manufacturers requires matching impedance, current rating, and package dimensions.

Chip Ferrite Bead FAQ

What is the DC resistance of the CIB21J400NC?

The direct current resistance is 50 milliohms.

What is the maximum current rating for this ferrite bead?

The component supports a maximum current of 2 amperes.