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AO3400 N-Channel MOSFET SOT-23 SMD Package

SKU: VHVFH8RG2E
The AO3400 is a high-efficiency N-Channel Enhancement Mode MOSFET designed for low-voltage and high-current switching applications. Encapsulated in a compact SOT-23 Surface Mount Package, the AO3400 is widely used in power management circuits, battery-powered devices, motor control systems, LED drivers, and microcontroller-based projects. One of the key advantages of the AO3400 is its very low ON-state resistance (RDS(on)), which minimizes...
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Specifications

Specifications:

Part Number: AO3400
MOSFET Type: N-Channel Enhancement Mode
Drain-Source Voltage (VDS): 30V
Gate-Source Voltage (VGS): ±12V
Continuous Drain Current (ID): Up to 5.8A (Typical)
Pulsed Drain Current (IDM): Higher peak current capability
Gate Threshold Voltage (VGS(th)): 0.65V to 1.45V
Drain-Source ON Resistance (RDS(on)):
Typically 28mΩ @ VGS = 4.5V
Typically 33mΩ @ VGS = 2.5V
Power Dissipation: Approximately 1.4W
Operating Temperature Range: -55°C to +150°C
Package Type: SOT-23
Mounting Type: Surface Mount (SMD/SMT)
Number of Pins: 3
Package Material: Molded Plastic
Weight: Lightweight

Additional Resources

AO3400 N-Channel MOSFET SOT-23 SMD Package.PDF

FAQ

1. What is the AO3400 N-Channel MOSFET?

The AO3400 is a high-performance N-Channel MOSFET designed for low-voltage switching applications. It is housed in a compact SOT-23 surface-mount package and is widely used in power management, load switching, battery-powered devices, and microcontroller-based circuits.

2. What are the key features of the AO3400 MOSFET?

The AO3400 offers low ON-resistance (RDS(on)), fast switching speed, logic-level gate drive compatibility, high current handling capability, and low power loss, making it ideal for efficient electronic designs.

3. What are the common applications of the AO3400 MOSFET?

The AO3400 is commonly used in DC motor control, LED drivers, battery protection circuits, power switching, load control, power supplies, PWM applications, and portable electronic devices.

4. Can the AO3400 be driven directly by a microcontroller?

Yes. The AO3400 is a logic-level MOSFET, meaning it can be fully switched on using gate voltages commonly provided by 3.3V and 5V microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi Pico.

5. What are the advantages of the AO3400 SOT-23 MOSFET?

The AO3400 provides high current capability in a compact package, low heat generation due to its low ON-resistance, fast switching performance, easy PCB integration, and excellent efficiency for low-voltage power switching applications.

View full product details

The AO3400 is a high-efficiency N-Channel Enhancement Mode MOSFET designed for low-voltage and high-current switching applications. Encapsulated in a compact SOT-23 Surface Mount Package, the AO3400 is widely used in power management circuits, battery-powered devices, motor control systems, LED drivers, and microcontroller-based projects.

One of the key advantages of the AO3400 is its very low ON-state resistance (RDS(on)), which minimizes power loss and heat generation during operation. It is a logic-level MOSFET, meaning it can be fully driven by low-voltage control signals from microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi Pico. This makes it an excellent choice for efficient load switching and PWM control applications.

With its compact size, fast switching speed, and high current handling capability, the AO3400 has become a popular component in modern electronic designs where efficiency, reliability, and board space optimization are important.

Features

  • N-Channel Enhancement Mode MOSFET
  • Compact SOT-23 surface-mount package
  • Logic-level gate drive compatible
  • Very low ON-resistance (RDS(on))
  • Fast switching performance
  • High current handling capability
  • Low power dissipation
  • Suitable for PWM applications
  • High efficiency operation
  • Ideal for portable and battery-powered devices