TBU-DT065-200-WH

Overview

The Bourns TBU-DT065-200-WH is a board-mount surge protector featuring a dual unidirectional TBU device configuration. It utilizes surface mount technology within a DFN package to provide overcurrent and overvoltage protection. The component operates with a voltage rating of 300 V and a current rating of 200 mA. It supports a minimum operating temperature of -40°C and a maximum operating temperature of +85°C. The device is designed for effective circuit protection against transient events.

Feature Summary

• Provides simultaneous overcurrent and overvoltage suppression through integrated silicon-based solid-state resettable technology.
• Features a dual unidirectional architecture suitable for protecting differential signal lines in communication interfaces.

Applications

• RS-485 port protection
• RS-422 application circuit protection

Procurement Notes

Verify the specific suffix WH against official Bourns documentation to confirm packaging details and compliance status. Ensure the selected variant matches the required thermal and electrical specifications for the target environment. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity before finalizing procurement orders.

Selection Notes

Select this component for applications requiring robust protection for high-speed serial data lines. The dual unidirectional design is appropriate for differential signaling environments. Consider the 300 V voltage rating and 200 mA current handling capabilities when evaluating compatibility with the protected circuit's operational parameters and expected surge conditions.

Part Context

This device belongs to the Bourns TBU® High-Speed Protector (HSP) series, which are current limiting devices designed to block transient currents and provide voltage isolation. The TBU-DT series specifically offers dual unidirectional configurations, providing targeted protection for communication ports while maintaining signal integrity during normal operation.

Replacement Considerations

Consult official Bourns substitution guides for verified alternatives. No public confirmed substitute part numbers are available in the provided source material.