AO3401 (A19T) 30V P-Channel MOSFET is a compact, high-performance MOSFET suitable for low voltage load switching, power management, and battery protection circuits. Using advanced trench MOSFET technology, AO3401 delivers low RDS(on), fast switching, and low gate charge, making it ideal for portable electronics, embedded systems, and logic-level controlled applications.

This MOSFET supports operation with gate voltages as low as 2.5V, enabling direct control from microcontrollers such as Arduino, ESP32, and other low voltage logic devices. Its small SOT-23 package ensures space-saving designs in compact PCBs while providing reliable thermal performance for low to medium current applications.

BDTronics supplies AO3401 SMD MOSFET in Bangladesh for electronics developers, hobbyists, and engineers working on efficient power switching, battery circuits, and embedded electronics projects.

Features:

• AO3401 30V P-Channel SMD MOSFET

• Low RDS(on) for Efficient Power Switching

  • <50mΩ @ VGS = -10V

  • <60mΩ @ VGS = -4.5V

  • <85mΩ @ VGS = -2.5V

• Trench MOSFET Technology for Low Gate Charge

• Fast Switching Performance for PWM Applications

• Logic Level Gate Drive Compatible

• Compact SOT-23 Package for PCB Space Saving

• Low Power Loss and Heat Generation

• Gate Drive Voltage Compatible with 2.5V Minimum

• Suitable for Battery Protection and Load Switching

• Reliable Performance for Embedded Systems and IoT Devices

Applications:

• Low Voltage Load Switch Circuits

• Battery Protection Circuits

• Portable Electronics Power Switching

• DC-DC Converter Control

• PWM Controlled Circuits

• Arduino and ESP32 Projects

• LED Drivers and Lighting Circuits

• IoT Devices Power Management

• Embedded Systems Switching

• Low Voltage Industrial Applications

How to Use:

• Identify Source, Drain, and Gate pins from datasheet

• Use logic level voltage (2.5V–12V) to drive the gate

• Connect the load to the drain side for P-Channel switching

• Ensure proper PCB layout for current handling

• Use gate resistor if needed to control switching speed

• Avoid exceeding VDS = -30V and ID = -4A ratings

• Provide adequate thermal design for continuous operation

Specifications:

• Model: AO3401

• Type: P-Channel MOSFET

• Drain-Source Voltage (VDS): -30V

• Continuous Drain Current (ID): -4.0A @ VGS = -10V

• RDS(on): <50mΩ @ VGS = -10V; <60mΩ @ VGS = -4.5V; <85mΩ @ VGS = -2.5V

• Gate-Source Voltage (VGS): ±12V

• Pulsed Drain Current (IDM): -27A

• Power Dissipation (PD): 1.4W @ 25°C

• Package: SOT-23

• Mounting Type: SMD

Package Includes:

• 1 × AO3401 30V P-Channel SMD MOSFET

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