BMC1EY0040AN

Chip Ferrite Bead Overview

The BMC1EY0040AN is a single-line ferrite chip bead from the TE Connectivity BMC series, designed for effective electromagnetic interference (EMI) protection. It features a 0402 surface-mount package with dimensions of 1 mm length, 0.5 mm width, and 0.5 mm height. The component exhibits an impedance of 40 Ohms at a test frequency of 100 MHz and a maximum DC resistance of 200 mOhms. It supports a maximum DC current of 300 mA with a tolerance of 25%. The device operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides effective EMI protection through high-impedance characteristics at target frequencies
• Utilizes a compact 0402 surface-mount footprint for space-constrained circuit designs
• Supports standard SMD/SMT termination types for automated assembly processes

Chip Ferrite Bead Applications

• Signal line filtering in electronic circuits
• Power supply noise suppression
• High-frequency signal integrity management

Chip Ferrite Bead Procurement Notes

Verify the manufacturer part number BMC1EY0040AN against official TE Connectivity documentation to ensure authenticity. Confirm that the specific order matches the required impedance and current ratings for your application. Check for RoHS compliance status as indicated in the official datasheet. Ensure handling procedures align with surface-mount technology standards for small form-factor components.

Chip Ferrite Bead Selection Notes

Select this component when a low-impedance path is required for DC signals while attenuating high-frequency noise. The 300 mA current rating suits moderate power applications. The 0402 package allows for dense PCB layouts. Consider the 25% impedance tolerance during circuit simulation to ensure adequate noise margin across production variations.

Chip Ferrite Bead Part Context

This component belongs to the BMC series of ferrite beads manufactured by TE Connectivity Passive Product. The series offers various impedance values in standardized packages. The BMC1EY0040AN specifically targets applications requiring minimal DC voltage drop alongside effective high-frequency attenuation. It is distinct from higher-impedance variants like the BMC1EY0430AN or lower-current options within the same family.

Chip Ferrite Bead FAQ

What is the test frequency for the specified impedance?

The impedance of 40 Ohms is measured at a test frequency of 100 MHz.

Does this component support dual-line configurations?

No, the BMC1EY0040AN is a single-channel device designed for one signal line.