AUIRFS8408-7TRL

Single FETs, MOSFETs Overview

The AUIRFS8408-7TRL is an automotive-grade N-channel HEXFET power MOSFET manufactured by Infineon Technologies. It features a D2Pak-7 (TO-263-7) surface-mount package and utilizes silicon technology. The device is rated for a drain-to-source voltage of 40 V, with a maximum continuous drain current of 240 A limited by the package and 397 A limited by silicon. Key electrical parameters include a typical on-resistance of 0.7 mΩ and a maximum of 1.0 mΩ at 10V gate drive. It supports a junction temperature up to 175°C and has a maximum power dissipation of 294 W.

Single FETs, MOSFETs Feature Summary

• Certified to AEC-Q101 standards for automotive reliability
• Advanced process technology achieving ultra-low on-resistance per silicon area
• Enhanced dv/dt and di/dt capabilities for robust switching performance
• Capable of repetitive avalanche operation up to maximum junction temperature

Single FETs, MOSFETs Applications

• Electric Power Steering (EPS)
• Battery Switching
• Start/Stop Micro Hybrid systems
• High Load Applications
• MPUs
• DC-DC Converters

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix (-7TRL) corresponds to the Tape and Reel Left configuration as defined in the official datasheet. Confirm that the component meets the required AEC-Q101 qualification level for your target automotive application. Ensure thermal management designs account for the specified junction-to-case thermal resistance values provided in the documentation.

Single FETs, MOSFETs Selection Notes

Select this component when designing circuits requiring high current handling within a 40V system architecture. The low on-resistance minimizes conduction losses, making it suitable for efficiency-critical applications. Consider the D2Pak-7 package dimensions for PCB layout constraints and verify that the gate charge requirements align with the driving circuit's capabilities.

Single FETs, MOSFETs Part Context

This part belongs to the AUIRFS8408 series of automotive power MOSFETs from Infineon. It is part of the HEXFET product line, which focuses on combining low on-resistance with fast switching speeds. The 'A' prefix indicates its qualification for automotive environments, ensuring compliance with strict reliability standards compared to standard industrial counterparts.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes may include other AUIRFS8408 variants with different packaging options such as AUIRFS8408-7P or AUIRFS8408-7TRR. Verify pinout compatibility and thermal characteristics before substitution.