AUIRFSL8403

Single FETs, MOSFETs Overview

The AUIRFSL8403 is an automotive-grade N-channel Power MOSFET from the CoolIRFet family, manufactured by Infineon Technologies (formerly International Rectifier). It features a TO-262-3 (D2PAK) surface-mount package and operates with a drain-source breakdown voltage of 40 V. The device supports a continuous drain current of 195 A at case temperature and exhibits a maximum on-resistance of 1.6 mΩ. It is qualified to AEC-Q101 standards and supports junction temperatures up to 175°C.

Single FETs, MOSFETs Feature Summary

• Automotive qualification compliant with AEC-Q101 standards for reliability in vehicle environments.
• CoolIRFet technology enables ultra-low on-resistance per silicon area for high efficiency.
• Enhanced repetitive avalanche rating allows operation under rugged transient conditions.
• Fast switching characteristics reduce power losses during dynamic transitions.

Single FETs, MOSFETs Applications

• Electric power steering systems
• Battery switch circuits
• Start/stop micro-hybrid applications

Single FETs, MOSFETs Procurement Notes

Verify component authenticity through authorized distribution channels due to potential counterfeit risks in the semiconductor market. Confirm that the specific ordering suffix matches the required packaging format, such as tube or tape and reel, as these do not alter electrical function but affect handling. Ensure compliance with RoHS directives if environmental regulations apply to the final assembly.

Single FETs, MOSFETs Selection Notes

Select this component when designing automotive circuits requiring robust N-channel switching with low conduction losses. The 40V rating suits low-voltage automotive architectures. Consider the thermal performance of the TO-262-3 package for heat dissipation requirements. Verify that the gate charge and threshold voltage align with the driving controller's output capabilities for optimal switching speed.

Single FETs, MOSFETs Part Context

This part belongs to the HEXFET and CoolIRFet families of power MOSFETs designed for automotive applications. It utilizes advanced processing techniques to achieve superior performance compared to standard industrial devices. The product line emphasizes reliability and efficiency in harsh operating environments typical of modern vehicles.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes within the same series include AUIRFS8403, AUIRFN8403, and AUIRFSL8407. Verify pin compatibility and electrical parameters such as Rds(on) and Id before substitution. Note that package variations like PQFN or DPAK may require PCB layout adjustments.