DI075N04PT-AQ

Overview

The DI075N04PT-AQ is an N-Channel Power MOSFET manufactured by Diotec Semiconductor, housed in a QFN3x3 package. It features a drain-source voltage (VDSS) of 40 V and a continuous drain current (ID) of 75 A at 25°C case temperature. The device exhibits a maximum on-state resistance (RDS(on)) of 2.8 mΩ at VGS = 10 V and ID = 23 A. Key electrical parameters include a gate-source threshold voltage (VGS(th)) ranging from 1.2 V to 2.5 V, total gate charge (Qg) of 46 nC, and power dissipation (PD) of 42.8 W. The component supports a junction temperature up to 175°C and complies with AEC-Q101 standards.

Feature Summary

• Low profile height and tiny space-saving package design
• Fast switching times with low gate charge for efficient operation
• AEC-Q101 qualified automotive grade reliability
• Compliant with RoHS, REACH, and Conflict Minerals regulations

Applications

• Power Management Units
• Battery powered devices
• Load Switches
• Polarity Protection circuits

Procurement Notes

Verify the specific suffix -AQ indicates AEC-Q101 qualification status as documented in the datasheet. Confirm that the QFN3x3 package dimensions and thermal characteristics align with your PCB layout requirements. Ensure sourcing channels provide original manufacturer documentation to validate authenticity and traceability before integration into production designs.

Selection Notes

Select this component when a compact footprint is required alongside high current handling capabilities. The 40V rating suits low-voltage DC bus applications. Evaluate the thermal resistance values against your system's cooling strategy, particularly noting the difference between junction-to-case and junction-to-ambient ratings. Consider the 175°C max junction temperature for high-temperature operational environments.

Part Context

This part belongs to Diotec's N-Channel Power MOSFET lineup designed for commercial and industrial applications. The QFN3x3 form factor represents a trend toward miniaturization in power electronics. The -AQ suffix specifically denotes automotive qualification, distinguishing it from standard commercial grades within the same electrical specification family.

Replacement Considerations

Check pinout compatibility and package dimensions when substituting. Verify that alternative components meet or exceed the 40V VDSS and 75A ID requirements. Ensure thermal performance matches the RthJC < 3.5 K/W specification if direct replacement is intended without redesigning the heatsinking structure.

FAQ

What does the -AQ suffix signify for this MOSFET?

The -AQ suffix indicates that the DI075N04PT-AQ is AEC-Q101 qualified, meeting specific automotive reliability standards.

What is the maximum junction temperature for this device?

The maximum junction temperature (Tj) for the DI075N04PT-AQ is 175°C.

Is this component suitable for polarity protection applications?

Yes, the datasheet explicitly lists Load Switches and Polarity Protection as typical applications for this MOSFET.