AUIRFR8403

Single FETs, MOSFETs Overview

The AUIRFR8403 is an automotive-grade N-channel enhancement mode MOSFET from Infineon's COOLiRFET series. It features a 40 V drain-source breakdown voltage and operates in the -55 °C to +175 °C temperature range. The device utilizes a DPAK (TO-252) surface-mount package with three pins. Key electrical characteristics include a maximum continuous drain current of 100 A, a typical gate charge of 66 nC at 10 V, and a maximum on-resistance of 3.1 mΩ.

Single FETs, MOSFETs Feature Summary

• Automotive qualification compliant with AEC-Q101 standards for high reliability.
• COOLiRFET technology optimized for low conduction losses and efficient thermal performance.
• Enhanced gate robustness designed to withstand harsh automotive electrical environments.

Single FETs, MOSFETs Applications

• Motor control systems
• Power distribution units
• Lighting applications

Single FETs, MOSFETs Procurement Notes

Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm specific lot codes and date codes against project requirements. Ensure storage conditions adhere to moisture sensitivity levels defined in the datasheet. Validate that the delivered package matches the specified DPAK form factor before integration into manufacturing processes.

Single FETs, MOSFETs Selection Notes

Select this component when designing circuits requiring robust automotive-grade switching capabilities within a 40 V system. The DPAK package offers a balance between current handling capacity and board space efficiency. Consider the 3.1 mΩ on-resistance for thermal management calculations in high-current motor drive or power distribution scenarios.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's COOLiRFET family, which integrates advanced trench MOSFET technology tailored for automotive durability. The series emphasizes high reliability and low loss, making it suitable for demanding vehicle electronics where long-term stability under thermal stress is critical.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes are not explicitly confirmed in available documentation. Evaluate alternative AEC-Q101 qualified N-channel MOSFETs with similar 40 V ratings and DPAK packaging, ensuring pin compatibility and comparable Rds(on) specifications.