BMC1EY0120AN

Chip Ferrite Bead Overview

The BMC1EY0120AN is a single-channel ferrite chip bead from the TE Connectivity BMC series, designed for surface-mount technology in a compact 0402 (1005 metric) package. It provides an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 200 mA and has a maximum DC resistance of 500 mOhms. It operates within a temperature range of -55°C to +125°C and measures 1 mm in length, 0.5 mm in width, and 0.5 mm in height.

Chip Ferrite Bead Feature Summary

• Provides effective electromagnetic interference protection through high-impedance characteristics at specific frequencies.
• Utilizes a small 0402 surface-mount footprint suitable for space-constrained printed circuit board layouts.
• Features a single-channel design for straightforward integration into signal or power lines.

Chip Ferrite Bead Applications

• High-frequency noise suppression in electronic circuits
• Electromagnetic interference filtering for sensitive components
• Signal integrity enhancement in compact consumer electronics

Chip Ferrite Bead Procurement Notes

Verify the manufacturer part number BMC1EY0120AN against official TE Connectivity documentation to ensure authenticity. Confirm that the received components match the specified 0402 package dimensions and electrical parameters. Check for physical damage to the ceramic body and verify solderability of the terminations before assembly. Ensure storage conditions comply with manufacturer guidelines to maintain component reliability.

Chip Ferrite Bead Selection Notes

Select this component when a 120 Ohm impedance at 100 MHz is required for EMI suppression in a 0402 footprint. Ensure the application current does not exceed 200 mA to prevent saturation or excessive heating. Consider the 25% impedance tolerance and 500 mOhm DC resistance when designing for precise signal integrity or low-loss power paths. Verify compatibility with standard reflow soldering profiles for SMD components.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the BMC series by TE Connectivity Passive Product, which offers various impedance values in standardized surface-mount packages. The BMC series is engineered for general-purpose EMI suppression in portable and industrial electronics. The 0402 size represents a balance between component performance and board space efficiency, widely used in modern miniaturized devices.

Chip Ferrite Bead FAQ

What is the test frequency for the 120 Ohm impedance rating?

The impedance of 120 Ohms is rated at a test frequency of 100 MHz.

What is the maximum DC current rating for this component?

The maximum DC current rating is 200 mA.

Does this component support operation in extreme temperatures?

Yes, it operates within a temperature range of -55°C to +125°C.