AUIRF7734M2TR

Single FETs, MOSFETs Overview

The AUIRF7734M2TR is an automotive-grade N-channel HEXFET power MOSFET utilizing DirectFET M2 packaging. It features a 40V drain-source breakdown voltage and a typical on-resistance of 3.8mΩ at VGS=10V, with a maximum of 4.9mΩ. The device supports a continuous drain current of 72A (silicon limited) at 25°C case temperature and handles a pulsed current of 288A. Total gate charge is typically 48nC. Operating junction temperatures range from -55°C to +175°C.

Single FETs, MOSFETs Feature Summary

• Automotive qualification compliant with AEC-Q101 standards for reliability in vehicle environments.
• DirectFET M2 package enables dual-sided cooling for high thermal performance within a low-profile footprint.
• Optimized for motor drive and DC-DC applications through low on-resistance and reduced gate charge.
• Capable of handling repetitive avalanche energy for robust operation under heavy load conditions.

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 M2TR corresponds to the DirectFET M2 medium can tape and reel configuration. Confirm that the component meets the required AEC-Q101 qualification level for your specific automotive application. Ensure compatibility with vapor phase, infrared, or convection soldering techniques as specified in application note AN-1035.

Single FETs, MOSFETs Selection Notes

Select this component when system requirements demand a 40V rating combined with low RDS(on) in a compact form factor. The DirectFET M2 package is suitable for designs requiring dual-sided cooling to maximize thermal transfer. Consider the 175°C operating temperature capability for high-temperature environments. Evaluate the 48nC gate charge against driver capabilities for switching frequency optimization.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's automotive DirectFET family, combining HEXFET silicon technology with advanced packaging. It is designed to replace traditional packages by offering similar footprints like SO-8 but with superior thermal characteristics. The M2 outline provides a balance between size and power density for automotive electronics.

Single FETs, MOSFETs Replacement Considerations

Check datasheets for other DirectFET variants with compatible pinouts and electrical ratings. Verify if alternative parts support the same dual-sided cooling requirements and AEC-Q101 qualification. Ensure the replacement maintains the 40V V(BR)DSS and similar RDS(on) specifications.

Single FETs, MOSFETs FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 175°C.

Is the device qualified for automotive applications?

Yes, the AUIRF7734M2TR is qualified according to the AEC-Q101 standard.

What packaging technology does this MOSFET use?

It uses the DirectFET M2 package, which allows for dual-sided cooling and has a footprint comparable to an SO-8.