AUIRF7739L2

Single FETs, MOSFETs Overview

The AUIRF7739L2 is an automotive-grade N-channel power MOSFET utilizing DirectFET L8 packaging. It features a 40V drain-source breakdown voltage and a typical on-resistance of 700µΩ, with a maximum of 1000µΩ at VGS=10V and ID=160A. The device supports a continuous drain current of 270A (silicon limited) at TC=25°C and handles a pulsed current of 1070A. Total gate charge is typically 220nC. Operating junction temperature ranges from -55°C to +175°C.

Single FETs, MOSFETs Feature Summary

• Automotive HEXFET silicon technology combined with DirectFET packaging for low on-state resistance
• Dual-sided cooling capability within a compact footprint compatible with standard assembly techniques
• High repetitive peak current capability and avalanche robustness for heavy load applications

Single FETs, MOSFETs Applications

• Automotive motor drive systems
• High frequency DC-DC converters
• Heavy load applications on ICE platforms
• HEV and EV power systems

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix TR indicates tape and reel packaging containing 4000 units per standard pack. Confirm the component meets AEC-Q101 qualification standards required for automotive integration. Ensure compatibility with vapor phase, infrared, or convection soldering processes as specified in application note AN-1035.

Single FETs, MOSFETs Selection Notes

Select this component for designs requiring high power density and efficiency in automotive environments. The DirectFET L8 package offers a profile of only 0.7 mm while maintaining thermal performance suitable for dual-sided cooling. Consider the 175°C operating temperature rating for high-temperature reliability requirements.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's Automotive DirectFET Power MOSFET family. It integrates advanced HEXFET silicon technology with specialized packaging to minimize parasitic parameters. The series targets applications demanding substantial system-level savings through improved thermal management and reduced conduction losses.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes are not explicitly listed in the provided documentation. Verify pinout compatibility and thermal resistance characteristics when considering alternative packages or manufacturers.