BMB2A0120BN3

Chip Ferrite Bead Overview

The BMB2A0120BN3 is a single-line ferrite bead from the TE Connectivity Passive Product series, designed for surface mount applications. It features an 0805 (2012 Metric) package with dimensions of 0.079 inches in length and 0.047 inches in width. The component provides an impedance of 120 Ohms at 100 MHz and supports a maximum rated current of 300 mA. Its DC resistance is specified at a maximum of 400 milliohms. The device operates within a temperature range of -55°C to 125°C and complies with RoHS3 standards.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through controlled impedance characteristics
• Designed for compact surface mount integration using standard 0805 footprints
• Constructed for reliable operation across extended industrial temperature ranges

Chip Ferrite Bead Applications

• High-speed data line filtering in digital circuits
• Power supply decoupling for sensitive integrated circuits
• EMI suppression in portable electronic devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix BN3 against official manufacturer documentation to confirm exact impedance tolerance and packaging specifications. Confirm RoHS3 compliance status directly with the supplier or original datasheet before procurement. Ensure the surface mount footprint matches the target PCB design constraints. Validate that the 300 mA current rating meets the operational requirements of the intended circuit application.

Chip Ferrite Bead Selection Notes

Select this component when a low-profile ferrite bead is required for EMI reduction in space-constrained designs. The 0805 package offers a balance between current handling capability and board area efficiency. Consider the 120 Ohm impedance value relative to the target noise frequency spectrum. Ensure the 300 mA current rating exceeds the maximum operating current of the protected line to prevent saturation.

Chip Ferrite Bead Part Context

This part belongs to the BMB series of passive components manufactured by TE Connectivity. These components are engineered for general-purpose electromagnetic interference filtering in modern electronics. The series utilizes advanced ferrite materials to provide effective broadband noise attenuation while maintaining stable electrical characteristics under varying load conditions.

Chip Ferrite Bead Replacement Considerations

Consult official TE Connectivity documentation for verified substitute part numbers. Cross-reference impedance values and current ratings carefully when evaluating alternative components.