AUIRFR8403TRL

Single FETs, MOSFETs Overview

The AUIRFR8403TRL is an automotive-grade N-channel enhancement mode MOSFET from Infineon's COOLiRFET series. It features a 40 V drain-source breakdown voltage and a continuous drain current of 127 A. The device exhibits a maximum on-resistance of 3.1 mΩ at 10 V gate drive. It operates within a temperature range of -55 °C to +175 °C and dissipates up to 99 W. Packaged in a DPAK (TO-252) surface-mount housing, it holds AEC-Q101 qualification for automotive reliability.

Single FETs, MOSFETs Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards
• High thermal performance with extended operating temperature range up to 175 °C
• Low conduction losses enabled by optimized silicon technology
• Robust gate structure designed for demanding switching applications

Single FETs, MOSFETs Applications

• Automotive power distribution systems
• Motor control circuits in electric vehicles
• High-current load switching applications

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix against official datasheets to confirm package and tape-and-reel specifications. Confirm RoHS compliance status through manufacturer documentation. Check for obsolescence notices as automotive components may undergo lifecycle changes. Ensure sourcing channels provide traceability certificates required for automotive assembly lines.

Single FETs, MOSFETs Selection Notes

Select this component when low on-resistance and high current handling are critical for efficiency. The TO-252 package offers a balance between thermal dissipation and board space constraints. Verify that the gate charge characteristics align with the driving circuit capabilities to ensure optimal switching speeds and minimize losses.

Single FETs, MOSFETs Part Context

This part belongs to the COOLiRFET family, which utilizes advanced trench gate technology to reduce on-resistance while maintaining robust avalanche capability. The 'A' prefix denotes automotive qualification, ensuring suitability for harsh environments found in vehicle electronics compared to standard industrial counterparts.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes include other AUIRFR8403 variants with identical electrical parameters but different packaging options such as tube or cut tape formats. Cross-reference with similar 40V N-channel MOSFETs from the same series if pin compatibility and thermal resistance profiles match the existing design requirements.