BK2125LM182-T

Chip Ferrite Bead Overview

The BK2125LM182-T is a multilayer chip bead inductor from the Taiyo Yuden BK series, designed for noise suppression in electronic circuits. It features an 0805 (2012 metric) surface-mount package with dimensions of 2.0 mm length, 1.25 mm width, and 1.05 mm height. The component exhibits an impedance of 1800 ohms at a test frequency of 100 MHz. It supports a maximum DC current of 300 mA and has a maximum DC resistance of 450 milliohms. The device operates within a temperature range of -55°C to +125°C and carries a tolerance of 25%.

Chip Ferrite Bead Feature Summary

• Multilayer construction for compact noise filtering
• High impedance characteristics at 100 MHz
• Surface-mount compatibility for automated assembly

Chip Ferrite Bead Applications

• Noise suppression in high-speed digital signal lines
• EMI filtering in portable communication devices
• Power line noise reduction in consumer electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix and manufacturing date code against the latest Taiyo Yuden datasheet to ensure compliance with RoHS directives and material specifications. Confirm availability status as lifecycle information may indicate obsolescence or limited supply conditions. Cross-reference ordering codes with authorized distributors to prevent counterfeit components.

Chip Ferrite Bead Selection Notes

Select this component when a 0805 footprint is required for noise attenuation at 100 MHz. Ensure the circuit current does not exceed 300 mA to maintain performance integrity. Consider the 450 milliohm DC resistance impact on voltage drop. Verify thermal stability requirements align with the -55°C to +125°C operating range.

Chip Ferrite Bead Part Context

This part belongs to the BK series of multilayer chip bead inductors manufactured by Taiyo Yuden. The series offers various impedance values and current ratings in standardized packages. The BK2125LM182-T specifically targets applications requiring moderate current handling with high-frequency noise suppression capabilities in space-constrained designs.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Taiyo Yuden technical support for equivalent recommendations based on specific impedance and current requirements.