AUIRFS8403TRL

Single FETs, MOSFETs Overview

The AUIRFS8403TRL is an automotive-grade N-channel HEXFET power MOSFET manufactured by Infineon Technologies. It features a D2Pak (TO-252-3) surface-mount package and utilizes advanced silicon processing to achieve low on-resistance. The device supports a drain-source breakdown voltage of 40 V, with a typical static drain-source on-resistance of 2.6 mΩ and a maximum of 3.3 mΩ at 10 V gate drive. It provides a continuous drain current rating of 123 A at a case temperature of 25°C. Key electrical parameters include a total gate charge of 62 nC, a forward transconductance of 269 S, and a maximum junction operating temperature of 175°C. The component is qualified under the AEC-Q101 standard.

Single FETs, MOSFETs Feature Summary

• Advanced process technology enabling extremely low on-resistance per silicon area
• Designed for high reliability in automotive environments with fast switching capabilities
• Capable of repetitive avalanche operation up to the maximum junction temperature limit
• Lead-free construction compliant with RoHS directives

Single FETs, MOSFETs Applications

• Electric Power Steering (EPS)
• Battery Switch
• Start/Stop Micro Hybrid systems
• Heavy Loads
• DC-DC Converter

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix 'TRL' corresponds to the Tape and Reel Left packaging configuration containing 800 units per reel. Confirm that the part number prefix 'AU' indicates compliance with automotive industry requirements regarding product discontinuance and process change notifications. Ensure the procurement source provides valid traceability documentation consistent with AEC-Q101 qualification standards.

Single FETs, MOSFETs Selection Notes

Select this component when designing circuits requiring a single N-channel switch with a 40 V voltage rating and high current handling capability up to 123 A. Consider the thermal resistance characteristics and the requirement for a 175°C junction temperature tolerance. Evaluate the gate charge specifications against the driving circuit's ability to support the required switching speeds efficiently.

Single FETs, MOSFETs Part Context

This device belongs to the HEXFET family of power MOSFETs from Infineon Technologies. It is specifically engineered for automotive applications, distinguishing it from industrial or consumer variants through its rigorous qualification standards. The 'AUIRFS8403TRL' designation identifies the specific package type, electrical characteristics, and tape-and-reel delivery format within the broader product portfolio.

Single FETs, MOSFETs Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.