AUIRFU8403-701TRL

Description：MOSFET
Series：HEXFET®
Mfr：Infineon Technologies
Package：Tape & Reel (TR)

SKU:14cdda52c7e4 Category: Single FETs, MOSFETs Brand: Infineon Technologies

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Product introduction

AUIRFU8403-701TRL is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Infineon Technologies. Its product description is MOSFET. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for AUIRFU8403-701TRL

Description：MOSFET
Series：HEXFET®
Mfr：Infineon Technologies
Package：Tape & Reel (TR)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：40 V
Current - Continuous Drain (Id) @ 25°C：100A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：3.1mOhm @ 76A, 10V
Vgs(th) (Max) @ Id：3.9V @ 100µA
Gate Charge (Qg) (Max) @ Vgs：99 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：3171 pF @ 25 V
FET Feature：-
Power Dissipation (Max)：99W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：Automotive
Qualification：AEC-Q101
Mounting Type：Through Hole
Supplier Device Package：PG-TO251-3-21
Package / Case：TO-251-3 Short Leads, IPAK, TO-251AA

Single FETs, MOSFETs datasheet and documents for AUIRFU8403-701TRL

AUIRFU8403-701TRL

Single FETs, MOSFETs Overview

The AUIRFU8403-701TRL is an automotive-grade N-channel enhancement mode MOSFET from Infineon's COOLiRFET series. It features a 40V drain-source voltage rating and supports a continuous drain current of 100A. The device utilizes a TO-251AA (IPAK) package with a maximum power dissipation of 79W. Key electrical characteristics include a low on-resistance of 4.2mΩ, a gate charge of 42nC at 10V, and a threshold voltage range of 2.2V to 3.9V. It operates within a temperature range of -55°C to +175°C and holds AEC-Q101 qualification.

Single FETs, MOSFETs Feature Summary

Automotive-grade reliability certified under AEC-Q101 standards for robust performance in vehicle environments.
High thermal efficiency enabled by the IPAK (TO-251) through-hole package design supporting up to 79W power dissipation.
Low conduction losses achieved through optimized silicon technology resulting in a minimal 4.2mΩ on-resistance.

Single FETs, MOSFETs Applications

Automotive power distribution systems requiring high current handling
Motor control circuits in electric and hybrid vehicles
General purpose switching applications in automotive electronics

Single FETs, MOSFETs Procurement Notes

Verify component authenticity as this part is scheduled for obsolescence. Confirm that the specific suffix denotes the tape and reel packaging format. Ensure compatibility with existing PCB footprints for the TO-251AA package. Check for updated replacement recommendations from the manufacturer due to discontinuation status.

Single FETs, MOSFETs Selection Notes

Select this component for designs requiring through-hole mounting in automotive environments. Consider the 4.2mΩ on-resistance for efficiency calculations. Verify that the 100A current rating meets peak load requirements. Ensure gate drive voltages align with the specified threshold and maximum ratings.

Single FETs, MOSFETs Part Context

This device belongs to Infineon's COOLiRFET family, which integrates advanced trench gate technology for improved switching performance. The AUI prefix indicates automotive qualification. The part is designed to replace older standard FETs in high-current automotive applications where thermal management and reliability are critical.

Single FETs, MOSFETs Replacement Considerations

The manufacturer has indicated this model is obsolete. Consult official documentation for direct replacements such as the AUIRFS8403 or AUIRFN8403, noting differences in package type and electrical parameters.