TBU-CA040-200-WH

Overview

The TBU-CA040-200-WH is a bidirectional transient blocking unit from Bourns, designed for high-speed circuit protection. It utilizes MOSFET semiconductor technology within a surface-mount DFN package to safeguard against AC power cross, short circuits, induction, and lightning faults. The device features low capacitance characteristics suitable for sensitive data lines.

Feature Summary

• Bidirectional protection architecture
• MOSFET-based semiconductor construction
• Low capacitance design for signal integrity

Applications

• Voice communication cards
• VDSL interface protection
• Ethernet port surge suppression

Procurement Notes

Verify the specific datasheet revision and manufacturing site compliance before integration. Confirm that the DFN package dimensions match the target PCB footprint requirements. Ensure the operating temperature range aligns with the intended environmental conditions of the final assembly.

Selection Notes

Select this component when bidirectional protection is required for low-capacitance applications. It is appropriate for scenarios involving potential AC power cross or induction faults on data lines. Consider the thermal management capabilities of the DFN package for the specific board layout.

Part Context

This part belongs to the TBU-CA series of high-speed protectors. It shares the core MOSFET technology with other variants in the family but differs in voltage ratings and pin configurations. The CA series is specifically optimized for bidirectional signal line protection.

Replacement Considerations

Check for direct substitutes within the TBU-CA series with compatible voltage ratings. Verify pin-to-pin compatibility if replacing with other DFN packaged surge suppressors. Consult official substitution lists for any manufacturing site changes.