AUIRFB8409XKMA1

Single FETs, MOSFETs Overview

The AUIRFB8409XKMA1 is an N-channel enhancement mode MOSFET from Infineon's COOLiRFET series, designed for high-current automotive applications. It features a 40 V drain-source voltage rating and supports continuous drain currents up to 195 A at 25°C, with pulsed current capability reaching 409 A. The device utilizes a TO-220AB through-hole package and exhibits a maximum on-resistance of 1.3 mΩ. Operating within a temperature range of -55°C to +175°C, it integrates gate isolation technology suitable for demanding power conversion environments.

Single FETs, MOSFETs Feature Summary

• Automotive-grade reliability compliant with AEC-Q101 standards
• Integrated gate isolation technology for enhanced robustness
• High current handling capability in a standard through-hole package

Single FETs, MOSFETs Applications

• On-board chargers
• DC-DC converters
• Motor control systems

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix XKMA1 against official Infineon documentation to confirm exact manufacturing lot attributes and compliance status. Ensure the procurement channel provides valid traceability records. Confirm that the component matches the required automotive qualification standards for the intended application environment before finalizing orders.

Single FETs, MOSFETs Selection Notes

Select this component when designing circuits requiring low conduction losses and high surge tolerance in automotive power stages. The TO-220AB package facilitates effective thermal management for high-power dissipation scenarios. Consider the gate charge characteristics relative to the driving circuit capabilities to optimize switching performance and minimize electromagnetic interference during operation.

Single FETs, MOSFETs Part Context

This part belongs to the COOLiRFET family, which combines trench MOSFET technology with integrated gate isolation. This architecture improves ruggedness and simplifies driver design by eliminating the need for external isolation components. The series targets high-efficiency power conversion in electric vehicles and industrial automation.

Single FETs, MOSFETs Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic replacements may lack the specific gate isolation or automotive qualification required.