AUIRF7343Q

Description：MOSFET N/P-CH 55V 4.7A 8SOIC
Series：HEXFET®

SKU:7f74f7cdcf5a Category: FET, MOSFET Arrays Brand: Infineon Technologies

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Product introduction

Product Detailed Parameters

Description：MOSFET N/P-CH 55V 4.7A 8SOIC
Series：HEXFET®
Mfr：Infineon Technologies
Package：Tube
Technology：MOSFET (Metal Oxide)
Configuration：N and P-Channel
FET Feature：Logic Level Gate
Drain to Source Voltage (Vdss)：55V
Current - Continuous Drain (Id) @ 25°C：4.7A, 3.4A
Rds On (Max) @ Id, Vgs：50mOhm @ 4.7A, 10V
Vgs(th) (Max) @ Id：1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：36nC @ 10V
Input Capacitance (Ciss) (Max) @ Vds：740pF @ 25V
Power - Max：2W
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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AUIRF7343Q

Overview

The AUIRF7343Q is an automotive-grade dual N- and P-channel HEXFET power MOSFET in a surface-mount SO-8 package. It utilizes advanced planar technology to achieve ultra-low on-resistance, with typical values of 0.043 ohms for the N-channel and 0.095 ohms for the P-channel at VGS=10V. The device supports continuous drain currents of 4.7A (N-channel) and -3.4A (P-channel), operates up to a junction temperature of 150°C, and features logic-level gate drive capability.

Feature Summary

Automotive qualified per AEC-Q101 standards
Dual N-Channel and P-Channel configuration in a single package
Ultra-low on-resistance utilizing advanced planar technology
Logic level gate drive for efficient control

Applications

Automotive power management systems
Low-side switching applications
High-efficiency motor control circuits

Procurement Notes

Verify component authenticity through authorized Infineon distributors or official channels. Confirm that the specific orderable part number matches the required tape and reel quantity. Ensure compliance with automotive qualification standards and check for any specific handling requirements related to moisture sensitivity level 1.

Selection Notes

Select this component when automotive reliability and high efficiency are required in space-constrained designs. The dual configuration reduces board space compared to discrete solutions. Verify that the thermal resistance and power dissipation ratings align with the specific application's ambient temperature and cooling conditions.

Part Context

This component belongs to the HEXFET family of power MOSFETs from Infineon Technologies. It is specifically engineered for automotive environments, offering enhanced repetitive avalanche rating and fast switching speeds. The SO-8 package provides improved thermal characteristics suitable for various power applications.

Replacement Considerations

Direct replacement requires verifying pinout compatibility and electrical parameters such as voltage ratings and on-resistance. Check if alternative dual MOSFET packages meet the same automotive qualification standards and thermal performance requirements.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.