Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Infineon Technologies IAUCN08S7N034ATMA1

Name: IAUCN08S7N034ATMA1
Brand: Infineon Technologies
SKU: IAUCN08S7N034ATMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: IAUCN08S7N034ATMA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: 8-PowerTDFN

Datasheet:: IAUCN08S7N034ATMA1.pdf

Description:: MOSFET_(75V 120V(

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:4,814

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

IAUCN08S7N034 from Infineon is an N-channel enhancement-mode automotive power MOSFET with 80 V V_DS, 3.4 mΩ R_DS(on) at V_GS = 10 V and 60 A, 120 A chip-limited continuous drain current, and 175 °C maximum operating temperature - used in high-current DC-DC converters and motor control stages in engine management and ADAS power systems.

For engineers reviewing the IAUCN08S7N034 datasheet, IAUCN08S7N034 pinout, IAUCN08S7N034 application, or IAUCN08S7N034 equivalent, key selection criteria include avalanche ruggedness (66 mJ single-pulse), MSL1 reflow compatibility, AEC-Q101 qualification, and low gate charge (Q_g = 45.8 nC max) for fast switching in 48 V mild-hybrid architectures.

Technical Context

This OptiMOS™ 7 device uses trench-gate superjunction technology optimized for low conduction and switching losses in automotive 12 V/48 V systems. Its 3.4 mΩ R_DS(on) enables high-efficiency power delivery at 120 A continuous current, while robust 88 A single-pulse avalanche capability supports fault-tolerant operation in load-dump and inductive switching events.

The MOSFET features integrated body diode with 0.9–1.0 V forward voltage at 60 A and 29–44 ns reverse recovery time, enabling synchronous rectification in bidirectional converters. Gate plateau voltage of 4.7 V ensures stable turn-on under noisy automotive supply conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	80 V - supports 48 V system transients up to ISO 7637-2 Pulse 5a (120 V clamp).
R_DS(on)	3.4 mΩ max at V_GS = 10 V, I_D = 60 A - enables <1.5 W conduction loss at 60 A in TO-263 footprint.
I_D (continuous)	120 A chip-limited - delivers high power density without external current sharing in compact modules.
E_AS	66 mJ single-pulse - withstands inductive energy release during short-circuit events in motor drives.
Q_g	45.8 nC max - reduces gate driver power demand and enables >100 kHz switching in DC-DC controllers.
T_j max	+175 °C - allows placement near heat sources (e.g., inverters, battery junction boxes) without derating.
MSL Level	MSL1 - compatible with standard 260 °C peak reflow profiles, eliminating moisture sensitivity handling.

Pinout & Package

PG-TDSON-8-34 is a thermally enhanced 8-pin DSO package with exposed drain pad on bottom side for low R_thJC (1.3 K/W) and high-power PCB mounting.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3, 4, 5, 6, 7	Drain (D)	Internally connected to exposed thermal pad - primary current path and heatsink interface.
8	Source (S)	Low-side reference node - connects to ground plane or shunt resistor for current sensing.
G	Gate (G)	Control input - requires <46 nC total gate charge for full enhancement; sensitive to ESD (±20 V rating).

Key Features

Feature	Design Value
AEC-Q101 qualified beyond standard requirements	Extended electrical testing and 175 °C operation validated per automotive stress test plan.
100% avalanche tested	Each unit subjected to single-pulse avalanche stress at 88 A, ensuring field reliability in inductive load faults.
Low R_DS(on) × Q_g figure-of-merit	156 mΩ·nC - balances conduction and switching loss for high-frequency 48 V buck converters.
Integrated body diode with fast t_rr	29–44 ns recovery time - minimizes reverse recovery loss in synchronous rectifier topologies.
RoHS-compliant and halogen-free	Meets ELV Directive 2000/53/EC and JEDEC J-STD-609A Class 1 for automotive supply chain compliance.

Applications

Engine Control Unit (ECU) Power Stage

48 V Mild-Hybrid DC-DC Converter

Use Scenario: High-current 12 V rail switching in gasoline/diesel ECU main power distribution.

IC Role / Device Role / Timing Role: Low-side switch controlling solenoid drivers, fuel injectors, and ignition coils.

Use Value: 3.4 mΩ R_DS(on) limits power loss to <2.5 W at 80 A, reducing thermal design burden on ECU PCB.

Use Scenario: Primary-side synchronous rectifier in bi-directional 48 V ↔ 12 V DC-DC converter.

IC Role / Device Role / Timing Role: High-efficiency power FET with fast t_rr enabling 200 kHz+ switching in phase-shifted full-bridge topology.

Use Value: 66 mJ E_AS withstands transient overloads during regenerative braking transitions.

ADAS Camera Module Power Supply

Electric Power Steering (EPS) Motor Driver

Use Scenario: Compact 12 V input-to-5 V/3.3 V power stage for imaging sensor and SoC rails.

IC Role / Device Role / Timing Role: High-side switch in buck controller IC's external power stage.

Use Value: MSL1 rating and -55 °C to +175 °C range ensure reliability in sealed camera housings exposed to under-hood temperatures.

Use Scenario: Half-bridge leg in 3-phase EPS motor inverter driving 12 V BLDC motor.

IC Role / Device Role / Timing Role: Low-R_DS(on) N-channel MOSFET paired with complementary P-channel or high-side driver.

Use Value: 120 A continuous rating supports peak torque currents without parallel devices, simplifying PCB layout.

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel automotive power MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STL220N6F7AG	60 V V_DS, 2.2 mΩ R_DS(on), 220 A rating - lower voltage, higher current, different package (H2PAK-7).	Not suitable for 80 V transients; limited to 48 V systems with tighter voltage margins.	Select only if system V_DS stress remains ≤65 V and board space allows H2PAK-7 footprint.
IXTQ120N085P	85 V V_DS, 5.2 mΩ R_DS(on), TO-268 package - higher R_DS(on), larger thermal resistance (R_thJC = 1.6 K/W).	Higher conduction loss at 120 A; less suited for compact, high-density modules.	Prefer when legacy TO-268 mounting is required and 1.7× R_DS(on) penalty is acceptable.

Compared with STL220N6F7AG and IXTQ120N085P, IAUCN08S7N034 uniquely combines 80 V rating, 3.4 mΩ R_DS(on), PG-TDSON-8-34 thermal performance, and full AEC-Q101 extended validation - making it optimal for next-gen 48 V automotive power stages requiring both voltage headroom and power density.

Availability

IAUCN08S7N034 is available at Aetrix Electronics and suitable for engine control units, 48 V mild-hybrid DC-DC converters, and ADAS camera power supplies requiring stable component supply across automotive production lifecycles.

Supply support for IAUCN08S7N034 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power, sensor, and automotive ICs, with leadership in silicon and wide-bandgap power devices.

This part belongs to the OptiMOS™ 7 automotive power MOSFET product line, engineered specifically for high-current, high-reliability switching in 12 V and 48 V vehicle electrical architectures.

FAQ

What is the maximum allowable gate-source voltage for IAUCN08S7N034?

The absolute maximum gate-source voltage is ±20 V. Operation above +10 V or below -5 V does not improve R_DS(on) but increases gate oxide stress risk. Recommended drive is +10 V to ensure full enhancement while maintaining long-term reliability under automotive temperature cycling.

Is IAUCN08S7N034 suitable for synchronous rectification in a 48 V to 12 V buck converter?

Yes. Its 0.9–1.0 V body diode forward voltage at 60 A and 29–44 ns reverse recovery time enable efficient synchronous rectification at switching frequencies up to 300 kHz. The low Q_gd/Q_gs ratio also improves controllability during dead-time transitions.

Does IAUCN08S7N034 require special PCB layout considerations for thermal management?

Yes. The PG-TDSON-8-34 package relies on soldering the exposed drain pad to a large copper area (≥200 mm²) with ≥6 thermal vias to internal ground planes. Thermal simulation shows junction-to-ambient resistance drops from 26.2 K/W to ≤5.5 K/W with proper layout, essential to sustain 120 A continuous current.

How does the 100% avalanche testing impact field reliability?

Every unit undergoes single-pulse avalanche stress at 88 A and 80 V, verifying robustness against inductive energy spikes during short circuits or load dumps. This screening eliminates latent defects and correlates with >10-year field failure rates below 10 FIT in validated automotive power modules.

IAUCN08S7N034ATMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: OptiMOS™ 7

Package/Case:: 8-PowerTDFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 80 V

Current - Continuous Drain (Id) @ 25°C:: 120A

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: -

Vgs(th) (Max) @ Id:: -

Gate Charge (Qg) (Max) @ Vgs:: 10.5 nC @ 10 V

Vgs (Max):: -

Input Capacitance (Ciss) (Max) @ Vds:: -

FET Feature:: -

Power Dissipation (Max):: -

Operating Temperature:: -55°C ~ 175°C

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: PG-TDSON-8-34

IAUCN08S7N034ATMA1 FAQ

1.How can I place an order for IAUCN08S7N034ATMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IAUCN08S7N034ATMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for IAUCN08S7N034ATMA1 reliable?

The price and inventory of IAUCN08S7N034ATMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IAUCN08S7N034ATMA1 is usually 5 days.

3.What payment methods are accepted for IAUCN08S7N034ATMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IAUCN08S7N034ATMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IAUCN08S7N034ATMA1?

IAUCN08S7N034ATMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IAUCN08S7N034ATMA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for IAUCN08S7N034ATMA1?

For technical support, including IAUCN08S7N034ATMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IAUCN08S7N034ATMA1 requirements.

6.How does Aetrix verify that IAUCN08S7N034ATMA1 is sourced from the original manufacturer or authorized distributors?

All IAUCN08S7N034ATMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IAUCN08S7N034ATMA1 meets industry standards.

7.What is the process for return or replacement of IAUCN08S7N034ATMA1?

All IAUCN08S7N034ATMA1 units undergo pre-shipment inspection (PSI). If there is an issue with IAUCN08S7N034ATMA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The IAUCN08S7N034ATMA1 part is unused and in its original packaging.

Return procedure for IAUCN08S7N034ATMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-08-06 Conditional Access Module: CAM, CI/CI+ and DVB Security

Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…

2026-08-03 Electronic Component Obsolescence: EOL Risks, Replacement Options and Last-Time Buy Strategy

Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…

2026-07-17 Raspberry Pi Alternatives: Chip-Level Comparison, Compatibility and Replacement Guide

Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…

2026-07-13 How to Test Dynamic Load Response in Low-Voltage High-Current Buck Converters

Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…

2026-07-08 Output Capacitor Selection for High-Current ASIC Vcore Rails

Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…

2026-07-07 High-Current ASIC Core Power Supply Design: 12-Phase Buck, PMBus and Dynamic Load Response

Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …