BK0603HS121-T

Overview

The BK0603HS121-T is a multilayer chip bead inductor from the Taiyo Yuden BK series, designed for surface-mount applications. It features a 0201 (0603 metric) package with dimensions of 0.60mm length, 0.30mm width, and 0.33mm maximum height. The component provides an impedance of 120 Ohms at a test frequency of 100 MHz. It supports a maximum DC current rating of 200mA and has a maximum DC resistance (DCR) of 450 milliohms. The device operates within a temperature range of -55°C to +125°C and is RoHS compliant.

Feature Summary

• Multilayer construction for compact high-frequency noise suppression
• Single-line configuration for signal line filtering
• Surface-mount design compatible with automated assembly

Applications

• High-speed data line filtering
• Power supply noise suppression
• EMC/EMI mitigation in portable electronics

Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS3 compliance and check for alternative sources as original manufacturing has ceased. Validate package dimensions and electrical parameters against current design requirements before integration.

Selection Notes

Select this component for space-constrained designs requiring 120 Ohm impedance at 100 MHz. Ensure circuit current does not exceed 200mA to prevent saturation. Consider thermal management within the specified -55°C to +125°C operating range for reliable performance.

Part Context

Part of the BK series multilayer chip bead inductors. Manufactured by Taiyo Yuden. Classified under ferrite beads and chips. End-of-life notification issued February 25, 2021.

Replacement Considerations

MMZ0603S121CT000 by TDK is listed as a similar substitute part number.

FAQ

What is the impedance value at the standard test frequency?

The impedance is 120 Ohms at 100 MHz.

What is the maximum DC current rating?

The maximum DC current rating is 200mA.