AO3400 A09T 30V N-Channel SMD Mosfet SOT-23 (Original)

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AO3400 A09T N-Channel SMD MOSFET designed for low voltage high efficiency switching applications including load switching, PWM control, DC-DC converters, battery powered devices, and microcontroller based circuits. This compact SOT-23 MOSFET uses advanced trench technology to achieve very low RDS(on) and fast switching performance. ...See more
SKU BTS-00001162
SF Code C1.R3
Tags: FETs
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AO3400 A09T N-Channel SMD MOSFET designed for low voltage high efficiency switching applications including load switching, PWM control, DC-DC converters, battery powered devices, and microcontroller based circuits. This compact SOT-23 MOSFET uses advanced trench technology to achieve very low RDS(on) and fast switching performance.

With 30V drain-source voltage rating and up to 5.8A continuous current, AO3400 MOSFET is ideal for portable electronics, power management circuits, LED drivers, and embedded systems. The low gate threshold voltage allows direct driving from microcontrollers such as Arduino, ESP32, and logic level circuits.

The low RDS(on) of approximately 18mΩ reduces power loss and heat generation, improving efficiency in switching applications. Its small SMD package makes it suitable for compact PCB designs and space constrained electronics projects.

BDTronics supplies AO3400 SMD MOSFET in Bangladesh for electronics engineers, repair technicians, and DIY developers working on compact and efficient power control systems.

 

Features:

  • AO3400 A09T N-Channel SMD MOSFET

  • 30V Drain-Source Voltage Rating

  • Continuous Drain Current up to 5.8A

  • Low RDS(on) ~18mΩ for Efficient Switching

  • Fast Switching Performance for PWM Applications

  • Low Gate Charge for High Speed Operation

  • Logic Level Gate Drive Compatible

  • Compact SOT-23 Package for Space Saving Designs

  • Low Power Loss and Heat Generation

  • Suitable for Battery Powered Devices

  • Reliable Performance for Embedded Systems

  • Ideal for Load Switching and Power Management

 

Applications:

  • Load Switch Circuits

  • PWM Motor Speed Control

  • DC-DC Converter Circuits

  • Battery Protection Circuits

  • LED Driver Circuits

  • Arduino and ESP32 Projects

  • Portable Electronics Power Switching

  • Power Management Modules

  • IoT Device Circuits

  • Small Signal Switching Applications

 

How to Use:

  • Identify Gate, Drain, and Source pins from datasheet

  • Drive the gate using logic level signals (3.3V or 5V)

  • Use for switching loads such as LEDs, motors, or relays

  • Ensure proper PCB layout for current handling

  • Use gate resistor for stable switching if required

  • Avoid exceeding voltage and current ratings

  • Use multiple MOSFETs in parallel for higher current applications if needed

 

Specifications:

  • Model: AO3400 A09T

  • Type: N-Channel MOSFET

  • Technology: Trench MOSFET

  • Drain-Source Voltage (VDS): 30V

  • Gate-Source Voltage (VGS): ±12V

  • Continuous Drain Current: 5.8A (25°C), 4.9A (70°C)

  • Pulsed Drain Current (IDM): 30A

  • RDS(on): ~18mΩ @ VGS = 10V

  • Gate Threshold Voltage: ~1.05V

  • Total Gate Charge (Qg): 6nC

  • Gate-Source Charge (Qgs): 1.3nC

  • Gate-Drain Charge (Qgd): 1.8nC

  • Power Dissipation: 1.4W (25°C)

  • Package: SOT-23

  • Mounting Type: SMD

 

Package Includes:

  • 1 × AO3400 A09T SMD N-Channel MOSFET

 

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Customer Reviews

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Arghya's review emoji-happy
Review by Arghya
Bought this for a power management module. It does its job well. Low gate charge lets it switch fast, and the package footprint is handy for compact PCBs. Recommended for hobbyists.
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Sanjoy Sarker's review emoji-happy
Review by Sanjoy Sarker
ছোট প্যাকেজ MOSFET হলেও এত ভালো কারেন্ট সামলাতে পারে, বেশ impressed। 3.3V গেট ভোল্টেজে টেস্ট করেছি, রেজাল্ট ভালো। অর্ডার ডেলিভারি নিয়ে কোনো ঝামেলা হয়নি।
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Toufiq Elahi's review emoji-happy
Review by Toufiq Elahi
Ordered a few for repairing a DC-DC converter board. Genuine AO3400 with clear marking A09T. The switching performance is excellent, and no overheating at around 2A. Will buy more later.
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Subrata Mondol's review emoji-happy
Review by Subrata Mondol
LED ড্রাইভার সার্কিটে ব্যবহার করেছি। লজিক লেভেল থেকে সরাসরি চালানো যায়, এটাই বড় সুবিধা। কোয়ালিটি ভালো, তবে SOT-23 প্যাকেজে কাজ করার সময় একটু কেয়ার লাগে।
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Aronyo Dev's review emoji-happy
Review by Aronyo Dev
পিসিবি প্রজেক্টের জন্য কয়েকটা AO3400 নিলাম। ছোট সাইজ, কিন্তু লোড সুইচিং খুব ভালো করছে। আসল জিনিস পেয়েছি, প্যাকেজিংও ছিল সাবধানে। দাম অনুযায়ী মান ভালো।
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Nakib Hossain's review emoji-happy
Review by Nakib Hossain
I used it in an ESP32 project for PWM control of a small fan. It works flawlessly. The threshold voltage is okay for 3.3V logic. Packaged well and delivered within two days. Genuine part.
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Shafin's review emoji-happy
Review by Shafin
Genuine AO3400, tested with a 5V load switch circuit. RDS(on) is low and it stays cool even with moderate current. Soldering SOT-23 is easy if you have flux. BDTronics shipping was quick.
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Tithi Barman's review emoji-happy
Review by Tithi Barman
ami kichu arduino project e use korlam. MOSFET ta shotti original, gate threshold low, 3.3V eo properly on/off hocche. Amader deshe eirokom original mosfet pawa tough, but ei shop theke order korar por khub valo experience.
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Ayan's review emoji-happy
Review by Ayan
ডিসি-ডিসি কনভার্টারে ব্যবহার করলাম, সুইচিং দারুণ। গরমও কম হচ্ছে। AO3400 এর মতো ছোট প্যাকেজে এত ভালো পারফরম্যান্স সত্যিই চমৎকার। নিয়মিত কাজের জন্য আবার অর্ডার করব।
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Rafiduzzaman's review emoji-happy
Review by Rafiduzzaman
Prototype e battery powered device er jonno use korlam. Low threshold voltage er karone direct MCU pin theke chalaite parlam. Product original, packing o valo chilo. 5 tarika dilam.

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General Questions

  • What is the latest price of the AO3400 A09T 30V N-Channel SMD Mosfet SOT-23 (Original) in Bangladesh?

    The latest price of AO3400 A09T 30V N-Channel SMD Mosfet SOT-23 (Original) in Bangladesh is BDT 15.00 . You can buy the AO3400 A09T 30V N-Channel SMD Mosfet SOT-23 (Original) at the best price on BDTronics.com or contact us via phone.

  • Where to buy AO3400 A09T 30V N-Channel SMD Mosfet SOT-23 (Original) in Bangladesh?

    You can buy AO3400 A09T 30V N-Channel SMD Mosfet SOT-23 (Original) online by ordering on BDTronics.com or directly collect by visiting our store in person. BDTronics is a trusted provider of high-quality electronics, 3D printers, solar systems, and robotics parts. We offer fast shipping across the country via courier service.

  • What are the delivery options of AO3400 A09T 30V N-Channel SMD Mosfet SOT-23 (Original) in Bangladesh?

    We provide home delivery service all over Bangladesh. We support Cash on Delivery, Online Bank Transfer, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-4 days outside Dhaka.

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