AUIRF1405

Single FETs, MOSFETs Overview

The AUIRF1405 is an automotive-grade N-channel HEXFET power MOSFET manufactured by International Rectifier. It features a 55V drain-source voltage rating and supports a continuous drain current of 75A at case temperature. The device exhibits a maximum on-resistance of 5.3 milliohms at 10V gate drive. Key electrical parameters include a gate charge of 260nC and an input capacitance of 5480pF. It operates within a junction temperature range of -55°C to 175°C and dissipates up to 330W. The component is housed in a TO-220AB through-hole package and complies with AEC-Q101 standards.

Single FETs, MOSFETs Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards for harsh environment operation
• Advanced HEXFET process technology enabling ultra-low on-resistance for high efficiency
• Robust thermal performance supporting high power dissipation and extended junction temperature limits

Single FETs, MOSFETs Applications

• Automotive power distribution systems
• High-current motor control circuits
• DC-DC converter output stages

Single FETs, MOSFETs Procurement Notes

Verify the specific manufacturer lot code and date code upon receipt to ensure compliance with automotive quality requirements. Confirm that the component matches the exact AUI prefix designation, as standard IRF variants may lack the required automotive qualification. Check for physical integrity of the TO-220AB leads and verify RoHS3 compliance status against the latest datasheet revisions before integration into production.

Single FETs, MOSFETs Selection Notes

Select this component when designing circuits requiring verified automotive reliability alongside high current handling capabilities. The 55V rating suits low-voltage automotive architectures. Ensure the PCB layout accommodates the TO-220AB package dimensions and provides adequate copper area for thermal management to sustain the 75A current rating without exceeding thermal limits.

Single FETs, MOSFETs Part Context

This part belongs to the HEXFET family of power MOSFETs from International Rectifier, now part of Infineon Technologies. The 'AU' prefix specifically denotes automotive qualification, distinguishing it from general-purpose industrial counterparts like the IRF1405. It represents a specialized variant optimized for the stringent durability and longevity demands of modern vehicle electronics.

Single FETs, MOSFETs FAQ

Is the AUIRF1405 suitable for repetitive avalanche operations?

Yes, the device is designed to handle repetitive avalanche energy, contributing to its robustness in inductive load switching applications common in automotive environments.

What is the maximum operating junction temperature for this MOSFET?

The AUIRF1405 supports a maximum junction temperature of 175°C, allowing for operation in high-temperature automotive under-hood conditions.