AUIRFB8405XKMA1

Single FETs, MOSFETs Overview

The AUIRFB8405XKMA1 is a 40 V, N-channel automotive MOSFET from Infineon's 12.7th generation OptiMOS technology. It features a maximum on-resistance of 2.5 mΩ at 10 V gate drive and supports a continuous drain current of 120 A at 25°C. The device is housed in a TO-220 package with thermal resistance (junction-to-case) of 0.92 K/W. It operates within a junction temperature range up to 175°C and meets automotive quality standards.

Single FETs, MOSFETs Feature Summary

• Automotive-grade reliability compliant with AEC-Q101 standards
• Low on-state resistance for high efficiency power switching
• Robust thermal performance suitable for high-current applications

Single FETs, MOSFETs Applications

• Automotive power distribution systems
• Motor control circuits in electric vehicles
• High-side or low-side switching in automotive loads

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix XKMA1 against official datasheets to confirm packaging and tape-and-reel specifications. Confirm RoHS compliance status and lead-free certification through manufacturer documentation. Check for any obsolescence notices or lifecycle changes directly from Infineon before procurement planning.

Single FETs, MOSFETs Selection Notes

Select this component for applications requiring low conduction losses and high current handling in automotive environments. Ensure the gate drive voltage aligns with the specified threshold range. Consider the TO-220 package constraints for thermal management and PCB mounting requirements in the final design.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's automotive MOSFET portfolio, leveraging advanced trench technology for improved performance. It is designed specifically for harsh automotive electrical environments, offering durability and consistent performance under varying temperature conditions typical in vehicle electronics.

Single FETs, MOSFETs Replacement Considerations

Consult official cross-reference guides for direct replacements. Verify pin compatibility and electrical parameters such as Rds(on) and Vgs(th) when substituting. Ensure any alternative part maintains automotive qualification standards if used in safety-critical systems.