AUIRFU4104

Single FETs, MOSFETs Overview

The AUIRFU4104 is an automotive-grade N-channel HEXFET power MOSFET manufactured by International Rectifier. It features a drain-source voltage rating of 40V and a continuous drain current capacity of 42A at 10V gate drive. The device exhibits a maximum on-resistance of 5.5mΩ under specified conditions. It supports a peak pulsed drain current of 119A and operates with a gate-source voltage limit of ±20V. The component is RoHS3 compliant and designed for high reliability in demanding environments.

Single FETs, MOSFETs Feature Summary

• Specifically engineered for automotive applications using advanced processing techniques
• Utilizes HEXFET technology to achieve extremely low on-resistance
• Provides robust performance with high surge current capability

Single FETs, MOSFETs Applications

• Automotive power management systems
• Motor control circuits
• High-current switching applications

Single FETs, MOSFETs Procurement Notes

Verify the specific datasheet version and package marking to ensure compatibility with your design requirements. Confirm that the supplier provides documentation verifying RoHS3 compliance, as this is a critical specification for modern automotive electronics. Ensure the component source is authorized to guarantee authenticity and traceability for safety-critical automotive assemblies.

Single FETs, MOSFETs Selection Notes

Select this component when a 40V N-channel MOSFET with low conduction losses is required for automotive use. Consider the 5.5mΩ on-resistance for efficiency calculations and the 119A peak current for transient load handling. Verify thermal management capabilities align with the expected operating temperature range and mounting constraints of the target application.

Single FETs, MOSFETs Part Context

This part belongs to the IRFU/AIRFU series of automotive MOSFETs from International Rectifier. These devices are characterized by their rugged construction and suitability for harsh automotive environments. The series emphasizes low on-resistance and fast switching speeds, making them suitable for various power conversion and motor driving tasks within vehicle electrical systems.

Single FETs, MOSFETs Replacement Considerations

Check for direct equivalents such as the IRFR4104 or IRF4104, ensuring voltage and current ratings match. Verify pinout compatibility and thermal characteristics before substitution. Confirm that any replacement also meets the specific automotive qualification standards required by the original design.