BUK9611-55A,118

Overview

The BUK9611-55A,118 is a logic level N-channel enhancement mode Field-Effect Transistor utilizing TrenchMOS technology in a D2PAK (SOT404) plastic package. Designed for automotive critical applications, it complies with AEC-Q101 standards. Key electrical parameters include a drain-source voltage of 55 V and a continuous drain current of 75 A at 25 °C mounting base temperature. The device exhibits low on-state resistance, typically 10 mΩ at VGS=10V and ID=25A. It supports a total power dissipation of 166 W and operates with junction temperatures up to 175 °C.

Feature Summary

• Logic level gate drive compatibility allows direct interfacing with standard logic sources.
• TrenchMOS technology ensures low conduction losses through minimized on-state resistance.
• Automotive qualification ensures reliability in critical applications via AEC-Q101 compliance.
• High thermal capability supports operation in demanding environments with a 175 °C junction rating.

Applications

• 12 V and 24 V load switching
• Automotive power switching circuits
• General purpose power switching
• Motor control applications
• Lamp and solenoid driving

Procurement Notes

Verify the component origin carefully, as the original NXP Standard Product business transitioned to Nexperia in February 2017. Ensure documentation references align with current manufacturer guidelines. Confirm that the specific ordering suffix matches the required package variant. Cross-check datasheet revisions to ensure all technical specifications are current. Validate authenticity through authorized distribution channels to avoid counterfeit risks.

Selection Notes

Select this component for applications requiring robust automotive-grade performance with high current handling capabilities. The logic level input simplifies driver circuit design by eliminating the need for complex gate drive voltages. Consider the thermal management requirements given the high power dissipation potential. Verify that the 55 V breakdown voltage suits the specific system voltage levels. Evaluate the D2PAK package suitability for the intended PCB layout and heat sinking constraints.

Part Context

This part belongs to the BUK9611 series of N-channel TrenchMOS FETs. It is specifically engineered for automotive environments where reliability under stress is paramount. The D2PAK package provides efficient thermal transfer to the PCB copper area. The product line emphasizes low on-resistance to improve overall system efficiency in power switching roles.

Replacement Considerations

Consult official Nexperia or distributor databases for verified cross-references. Ensure any substitute matches the 55 V rating, 75 A current capacity, and D2PAK footprint. Verify pinout compatibility and thermal resistance characteristics before implementation.

FAQ

Is the BUK9611-55A suitable for automotive applications?

Yes, the device is designed and qualified to the AEC-Q101 standard for use in automotive critical applications.

What is the maximum junction temperature for this FET?

The maximum operating junction temperature is 175 °C.

Does this component support logic level gate drive?

Yes, it is a logic level FET suitable for drive from standard logic sources.