CIM05U221NC

Chip Ferrite Bead Overview

The CIM05U221NC is a ferrite bead from the Samsung Electro-Mechanics CIM05 series, designed for EMI suppression in surface-mount applications. It features a compact 0402 (1005 metric) package with dimensions of 1.00mm length and 0.50mm width. The component provides an impedance of 220 Ohms at 100 MHz and supports a rated current of 500mA. Its maximum DC resistance is 350 milliohms, ensuring low insertion loss in power lines. The device operates within a temperature range of -55°C to 125°C and complies with RoHS3 standards.

Chip Ferrite Bead Feature Summary

• Provides effective electromagnetic interference suppression through high impedance characteristics at target frequencies.
• Utilizes a compact 0402 footprint to facilitate dense printed circuit board layouts.
• Constructed with a single-line configuration for straightforward integration into signal or power paths.

Chip Ferrite Bead Applications

• High-speed data line filtering
• Power supply noise attenuation
• General-purpose EMI suppression circuits

Chip Ferrite Bead Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm that the part number suffix matches the exact impedance and current ratings required for your design. Ensure compliance with environmental regulations such as RoHS3 if applicable to your region. Cross-reference the specific manufacturing date code to ensure material consistency with your production timeline.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a 0402 package size while maintaining adequate current handling capabilities. Consider the 220 Ohm impedance value at 100 MHz to ensure it aligns with the noise frequency spectrum of your application. Evaluate the 350 milliohm DC resistance to minimize voltage drop across the component in low-voltage power distribution networks.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the CIM05 series, which is engineered for compact electronic designs requiring reliable noise filtration. The series is characterized by its small physical dimensions and stable electrical performance across a wide temperature range. It serves as a passive filter element commonly used in consumer electronics and industrial control systems to protect sensitive components from high-frequency interference.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include BMC1EY0240AN by TE Connectivity and MMZ1005S241CT000 by TDK. Verify that these alternatives match the 0402 package size and similar impedance/current specifications before implementation.