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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