BK2125LM152-T

Chip Ferrite Bead Overview

The BK2125LM152-T is a single-line multilayer chip ferrite bead manufactured by Taiyo Yuden, designed for surface-mount assembly in the 0805 (2012 metric) package. It exhibits an impedance of 1.5 kOhms at 100 MHz and supports a maximum current rating of 400mA. The component features a maximum DC resistance of 350mOhm and operates within a temperature range of -55°C to +125°C. Its physical dimensions are 2.00mm in length and 1.25mm in width.

Chip Ferrite Bead Feature Summary

• Multilayer construction provides high impedance characteristics for noise suppression
• Surface-mount design facilitates automated PCB assembly processes
• Wide operating temperature range ensures reliability in diverse thermal environments

Chip Ferrite Bead Applications

• High-frequency noise filtering in electronic circuits
• Signal integrity enhancement in data lines
• Power supply line decoupling applications

Chip Ferrite Bead Procurement Notes

Verify component authenticity through authorized distributors due to obsolete status. Confirm RoHS compliance and AEC-Q200 qualification requirements against specific project standards. Validate package dimensions and terminal configurations prior to integration into existing designs to ensure mechanical compatibility.

Chip Ferrite Bead Selection Notes

Select this component when high impedance at 100 MHz is required within a compact 0805 footprint. Consider the 400mA current rating and 350mOhm DCR limits for power handling capabilities. Ensure the -55°C to +125°C temperature range meets operational environmental demands compared to standard commercial grade alternatives.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the BK series from Taiyo Yuden, specifically engineered for multilayer chip bead applications. It serves as a passive component for electromagnetic interference suppression. The part is categorized under filters and ferrites, distinct from inductors or capacitors in its primary function of broadband noise attenuation.

Chip Ferrite Bead Replacement Considerations

Public documentation confirms the BK2125LM152-T is obsolete. No verified substitute part numbers are provided in the source material. Engineers must evaluate alternative components with matching impedance, current, and package specifications independently.