BUK7905-40ATE,127

Overview

The BUK7905-40ATE is an N-channel TrenchPLUS standard level FET designed for automotive critical applications. It features integrated temperature sensing and ESD protection diodes. Key electrical parameters include a drain-source voltage of 40 V, a typical on-state resistance of 4.55 mΩ at 25°C, and a continuous drain current of 155 A at 25°C mounting base temperature. The device operates within a junction temperature range of -55°C to 175°C.

Feature Summary

• Integrated temperature sense diode enables responsive thermal monitoring
• Built-in electrostatic discharge protection diodes enhance robustness
• Low on-state resistance minimizes conduction losses
• Qualified to AEC Q101 standards for automotive use

Applications

• Electrical Power Assisted Steering (EPAS)
• Variable Valve Timing systems

Procurement Notes

Verify the specific ordering suffix matches the required package variant. Confirm that the component meets the necessary AEC-Q101 qualification levels for your target automotive application. Ensure compatibility with standard level gate drive sources as specified in the general description before finalizing procurement decisions.

Selection Notes

Select this component when low conduction losses are critical for efficiency. The integrated temperature sensor simplifies thermal management designs by providing direct junction temperature feedback. Ensure the application requires a 40 V rating and can accommodate the TO-220 package dimensions and thermal requirements outlined in the datasheet.

Part Context

This part belongs to Nexperia's TrenchPLUS family of N-channel MOSFETs. It utilizes TrenchMOS technology to achieve high performance in a plastic TO-220 package. The device is specifically engineered for automotive environments, combining power switching capabilities with diagnostic features like temperature sensing and ESD protection.

Replacement Considerations

No public substitute part numbers are documented in the provided source material.