AUIRFZ44ZSTRL

Description：MOSFET N-CH 55V 51A D2PAK
Series：HEXFET®
Mfr：Infineon Technologies
Package：Tape & Reel (TR)

SKU:306bc73ee29d Category: Single FETs, MOSFETs Brand: Infineon Technologies

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Product introduction

AUIRFZ44ZSTRL is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Infineon Technologies. Its product description is MOSFET N-CH 55V 51A D2PAK. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for AUIRFZ44ZSTRL

Description：MOSFET N-CH 55V 51A D2PAK
Series：HEXFET®
Mfr：Infineon Technologies
Package：Tape & Reel (TR)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：55 V
Current - Continuous Drain (Id) @ 25°C：51A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：13.9mOhm @ 31A, 10V
Vgs(th) (Max) @ Id：4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：43 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：1420 pF @ 25 V
FET Feature：-
Power Dissipation (Max)：80W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：Automotive
Qualification：AEC-Q101
Mounting Type：Surface Mount
Supplier Device Package：D2PAK
Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Single FETs, MOSFETs datasheet and documents for AUIRFZ44ZSTRL

AUIRFZ44ZSTRL

Single FETs, MOSFETs Overview

The AUIRFZ44ZSTRL is an automotive-grade, single N-channel enhancement-mode power MOSFET manufactured by Infineon Technologies. It utilizes HEXFET technology and is housed in a D2PAK (TO-263-3) surface-mount package. The device features a drain-source breakdown voltage of 55 V and supports a continuous drain current of 51 A at case temperature. Its maximum on-resistance is 13.9 mΩ at 10 V gate drive. The component operates within a junction temperature range of -55 °C to +175 °C and holds AEC-Q101 qualification.

Single FETs, MOSFETs Feature Summary

AEC-Q101 qualified for automotive reliability standards
HEXFET technology for optimized performance
High thermal stability with 175 °C operating capability

Single FETs, MOSFETs Applications

Automotive power distribution systems
Load switching applications
DC-DC converter circuits

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix 'STRL' against official Infineon documentation to confirm reel specifications and tape-and-reel dimensions. Confirm that the AEC-Q101 qualification status aligns with project requirements. Check for any recent product change notices regarding pinout or material composition updates before finalizing procurement plans.

Single FETs, MOSFETs Selection Notes

Select this component when a robust N-channel solution is required for automotive environments. Ensure the design accommodates the 55 V voltage rating and 51 A current capacity. Verify that the PCB layout supports the thermal dissipation needs of the D2PAK package to maintain safe junction temperatures under load.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's HEXFET family of power MOSFETs designed for high-efficiency switching. The 'AU' prefix indicates automotive grade qualification. It serves as a surface-mount alternative to through-hole variants like the IRFZ44Z, offering similar electrical characteristics in a compact footprint suitable for automated assembly.