AUIRF3805

Single FETs, MOSFETs Overview

The AUIRF3805 is an automotive-grade N-channel enhancement mode MOSFET from the HEXFET series, designed for high-current applications. It features a maximum drain-source voltage of 55 V and a continuous drain current of 160 A at case temperature. The device utilizes a TO-262 (I2PAK) through-hole package with long leads to support robust thermal management. Key electrical characteristics include a maximum on-resistance of 3.3 mΩ at 10 V gate drive and a typical gate charge of 290 nC. It operates within a junction temperature range of -55 °C to +175 °C and holds AEC-Q101 qualification.

Single FETs, MOSFETs Feature Summary

• AEC-Q101 qualified for automotive reliability standards
• High current handling capability with low on-resistance
• Robust thermal performance via extended lead frame design

Single FETs, MOSFETs Applications

• Automotive power distribution systems
• Motor control circuits in electric vehicles
• High-side switching applications requiring ruggedness

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix against official Infineon documentation to confirm exact pinout and packaging variations. Confirm current production status as automotive components may undergo lifecycle changes. Ensure compatibility with required operating temperatures and voltage ratings for the target application before procurement.

Single FETs, MOSFETs Selection Notes

Select this component when high surge current capacity and automotive durability are required. The TO-262 package offers superior heat dissipation compared to surface-mount alternatives. Consider the gate charge requirements for driver selection to ensure efficient switching performance under load conditions.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's HEXFET family, known for optimized trench technology. The 'AU' prefix typically denotes automotive grade qualification. It serves as a high-power discrete solution for demanding environments where reliability and thermal stability are critical design constraints.

Single FETs, MOSFETs Replacement Considerations

Check for direct cross-references such as IRF3805 variants or other 55V 160A TO-262 MOSFETs. Verify that any substitute meets the same AEC-Q101 standard and maintains identical pinout configuration to avoid PCB redesign.