AUIRF7799L2TR

Single FETs, MOSFETs Overview

The AUIRF7799L2TR is an automotive-grade N-channel Power MOSFET manufactured by Infineon Technologies under the International Rectifier brand. It utilizes DirectFET™ Isometric L8 packaging for surface mount installation. Key electrical parameters include a drain-source voltage (Vds) of 250 V and a continuous drain current (Id) of 375 A at case temperature. The device features a maximum on-resistance (Rds(on)) of 4.3 mΩ, with a gate charge (Qg) of approximately 200 nC. It operates within a junction temperature range of -55°C to +175°C and holds AEC-Q101 qualification.

Single FETs, MOSFETs Feature Summary

• Automotive-grade reliability certified to AEC-Q101 standards
• DirectFET™ Isometric L8 package providing thermal isolation between source and drain
• Enhancement-mode N-channel operation optimized for low conduction losses

Single FETs, MOSFETs Applications

• Automotive power distribution systems
• High-current DC-DC converter modules
• Motor control applications in electric vehicles

Single FETs, MOSFETs Procurement Notes

Verify the manufacturer designation as Infineon Technologies, which acquired International Rectifier. Confirm the specific suffix 'L2' corresponds to the DirectFET Isometric L8 package variant. Ensure documentation references AEC-Q101 compliance for automotive suitability. Cross-reference datasheet revisions to confirm parameter consistency.

Single FETs, MOSFETs Selection Notes

Select this component for high-current automotive applications requiring robust thermal management and electrical isolation. The DirectFET technology reduces parasitic inductance compared to traditional packages. Evaluate thermal resistance characteristics against system heat dissipation requirements. Ensure gate drive voltage compatibility with the specified threshold and maximum ratings.

Single FETs, MOSFETs Part Context

This component belongs to the IR77xx series of automotive MOSFETs designed for high-power density applications. The DirectFET family integrates the die directly onto the substrate to minimize thermal impedance. It serves as a critical switching element in modern electric vehicle powertrains and auxiliary power units.

Single FETs, MOSFETs Replacement Considerations

Check for direct substitutes within the IR77xx series or equivalent AEC-Q101 qualified DirectFET devices from Infineon. Verify pinout compatibility and thermal pad dimensions when considering alternative packages.