AUIRF7665S2TR

Single FETs, MOSFETs Overview

The AUIRF7665S2TR is an automotive-grade N-channel HEXFET Power MOSFET utilizing DirectFET Isometric SB packaging. It features a drain-source voltage of 100V and a typical on-resistance of 51mΩ at VGS=10V. The device supports continuous drain currents up to 14.4A at case temperature and 77A package-limited. Key electrical parameters include a total gate charge of 8.3nC, internal gate resistance of 3.5Ω, and body diode reverse recovery charge of 38nC. Operating junction temperatures range from -55°C to +175°C with dual-sided cooling capabilities.

Single FETs, MOSFETs Feature Summary

• Optimized for Automotive Class D audio amplifier applications to enhance efficiency and reduce distortion
• DirectFET Isometric SB packaging enables dual-sided cooling for superior thermal transfer
• Low parasitic inductance and resistance minimize voltage ringing and electromagnetic interference
• Repetitive avalanche capability ensures robustness and reliability under transient conditions

Single FETs, MOSFETs Applications

• Automotive Class D audio amplifier systems
• High-efficiency power switching circuits
• Automotive power management modules

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix 'TR' corresponds to the Tape and Reel standard pack quantity of 4800 units. Confirm that the component meets AEC-Q101 qualification requirements for your specific automotive grade level. Ensure assembly processes adhere to application note AN-1035 regarding stencil design and substrate specifications for DirectFET packages.

Single FETs, MOSFETs Selection Notes

Select this component when low gate charge and fast switching speeds are critical for minimizing Total Harmonic Distortion (THD) in audio amplifiers. The DirectFET SB package is suitable for designs requiring compact footprints compatible with existing surface mount equipment. Consider the 175°C operating temperature rating for high-thermal environments where heatsinking may be limited.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's HEXFET series, combining advanced silicon technology with the DirectFET platform. It is designed specifically to address the stringent performance demands of automotive electronics. The Isometric SB variant provides a distinct footprint compared to other DirectFET outlines like L8 or M2, facilitating integration into space-constrained automotive PCB layouts.

Single FETs, MOSFETs Replacement Considerations

Check datasheet compatibility for direct pin-to-pin replacements within the same HEXFET family. Verify that alternative components match the 100V rating, 51mΩ RDS(on), and DirectFET SB package dimensions. Ensure any substitute also holds AEC-Q101 certification if required for the target automotive application.