AUIRFP1405-203

Single FETs, MOSFETs Overview

The AUIRFP1405-203 is an automotive-grade N-channel Power MOSFET manufactured by International Rectifier, now part of Infineon Technologies. This device utilizes HEXFET stripe planar technology to achieve ultra-low on-resistance per silicon area, specifically optimized for high-efficiency power switching in demanding environments. It features a 55V drain-source voltage rating and supports continuous current handling suitable for robust automotive electrical systems. The component is designed with advanced process techniques to ensure fast switching speeds and improved repetitive avalanche ratings, contributing to reliable operation under transient conditions.

Single FETs, MOSFETs Feature Summary

• Automotive qualification compliant for harsh environment reliability
• HEXFET stripe planar design for low thermal resistance
• Enhanced repetitive avalanche energy capability
• Fast switching characteristics for efficient power conversion

Single FETs, MOSFETs Applications

• Electric Power Steering (EPS) systems
• Anti-lock Braking System (ABS) controllers
• Wiper control motor drivers
• Climate control actuator circuits
• Power door lock mechanisms

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix -203 against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure the component meets the required automotive quality standards for your target application. Cross-reference the ordering information with Infineon's current product portfolio as International Rectifier operations have been integrated into Infineon Technologies.

Single FETs, MOSFETs Selection Notes

Select this component when designing automotive circuits requiring a 55V N-channel MOSFET with high current capacity and rugged avalanche performance. The HEXFET technology offers superior conduction losses compared to standard planar designs. Consider the thermal management requirements associated with the TO-247AC package for your specific heat dissipation needs.

Single FETs, MOSFETs Part Context

This part belongs to the IRF1405 family of automotive MOSFETs from International Rectifier. The AUIRFP1405-203 variant is specifically tailored for automotive electronics, leveraging the company's proprietary HEXFET processing. It serves as a key power switch in vehicle subsystems where reliability and efficiency are critical, replacing older discrete solutions with integrated planar structures.

Single FETs, MOSFETs Replacement Considerations

Direct replacements include the IRF1405L and other variants within the IRF1405 series that share identical pinouts and electrical characteristics. Verify compatibility with existing PCB footprints and thermal interfaces before substitution.