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Product Detailed Parameters
- Description：MOSFET 2N-CH 40V 43A 8PQFN
- Series：-
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR)
- Technology：MOSFET (Metal Oxide)
- Configuration：2 N-Channel (Dual)
- FET Feature：-
- Drain to Source Voltage (Vdss)：40V
- Current - Continuous Drain (Id) @ 25°C：43A (Tc)
- Rds On (Max) @ Id, Vgs：10mOhm @ 26A, 10V
- Vgs(th) (Max) @ Id：3.9V @ 25µA
- Gate Charge (Qg) (Max) @ Vgs：33nC @ 10V
- Input Capacitance (Ciss) (Max) @ Vds：2250pF @ 25V
- Power - Max：34W (Tc)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-PowerTDFN
- Supplier Device Package：8-PQFN (5x6)
- Grade：-
- Qualification：-
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Overview
The AUIRFN8458TRXTMA1 is an automotive-grade N-channel MOSFET utilizing Infineon's Trench technology. It features a maximum drain-source voltage of 40 V and a maximum on-resistance of 10 mΩ at 10 V gate drive. The device supports a continuous drain current of 43 A at 25°C and operates within a junction temperature range up to 175°C. Packaged in a SuperSO8 (Dual PQFN 5mm x 6mm) format, it includes AEC-Q101 qualification for automotive reliability.
Feature Summary
- Automotive-grade reliability compliant with AEC-Q101 standards
- Low thermal resistance via Dual PQFN package design
- High current handling capability for power switching applications
Applications
- Small motor control systems
- Body control modules
- Pump motor drives
Procurement Notes
Verify the specific suffix TRXTMA1 against official Infineon documentation to confirm tape-and-reel packaging specifications. Ensure the component meets the required AEC-Q101 grade for your target automotive application. Cross-reference the datasheet revision date to ensure compatibility with your design constraints.
Selection Notes
Select this component for applications requiring low on-resistance in a compact footprint. The 40V rating suits 12V automotive systems. Consider the 10mΩ Rds(on) for efficiency requirements. The SuperSO8 package offers superior thermal performance compared to traditional packages while saving board space.
Part Context
This part belongs to Infineon's COOLiRFET family of automotive MOSFETs. These devices are engineered for high power density and efficiency in space-constrained automotive environments. The series targets applications demanding robust performance under harsh operating conditions typical of modern vehicle electronics.
Replacement Considerations
Publicly confirmed substitute part numbers for this specific model were not identified in the provided source material. Consult official Infineon replacement guides or distributor databases for verified alternatives if this component is unavailable.
