AOD4184A 40V 50A N-Channel Power Mosfet TO-252

AOD4184A 40V 50A N-Channel Power Mosfet TO-252 is a robust and efficient transistor designed for high-current switching applications. It features extremely low on-resistance, which minimizes power losses and significantly improves efficiency in power management circuits. Encased in a compact, surface-mountable TO-252 (D-Pak) package, this MOSFET is a perfect solution for engineers and hobbyists building motor drivers, power supplies, or battery management systems where high current capability and thermal performance are critical. This component gives you reliable, high-speed switching control for your most demanding projects.

Key Features:

• Low On-Resistance: Achieves a remarkably low R_DS(ON), reducing power dissipation and heat generation.
• High Current Capability: Handles up to 50A of continuous drain current, making it suitable for heavy-duty applications.
• Fast Switching Speed: Delivers rapid turn-on and turn-off times for high-frequency switching circuits.
• Avalanche Ruggedness: Possesses excellent avalanche energy capability, improving its robustness against voltage spikes.
• TO-252 Package: The compact, surface-mount D-Pak package provides efficient heat dissipation and saves board space.
• High-Performance Silicon: Utilizes advanced trench technology to optimize performance and reliability.

Technical Specifications:

• Drain-Source Voltage (V_DS): 40 V
• Continuous Drain Current (I_D): 50 A (at V_GS=10V)
• Gate-Source Voltage (V_GS): ±20 V
• On-Resistance (R_DS(ON)): < 7 mΩ @ V_GS=10V
• Power Dissipation (P_D): 50 W (at T_A=25°C)
• Operating Temperature: -55 °C to +175 °C

Mechanical Specifications:

• Package Type: TO-252 (D-Pak)
• Mounting: Surface-Mount Technology (SMT)
• Pin Configuration: 3-pin lead
• Material: Molded plastic package with metal heat tab.

Dimensions:

• Length: ~6.5 mm
• Width: ~6.0 mm
• Height: ~2.3 mm
• Lead Pitch: ~2.3 mm (standard)

Pinout and Wiring:

• Pin 1 (Gate): Controls the state of the MOSFET (on/off). Connect to the microcontroller or driver signal.
• Pin 2 (Drain): The main current path for the load. Connect to the positive side of your load.
• Pin 3 (Source): The return path for the current. Connect to the system ground.
• Mounting Tab (Drain): The large metal tab is electrically connected to the Drain and acts as a heat sink. Solder it to a large copper area on the PCB for optimal thermal performance.

Datasheet Reference:

• For complete technical data, including performance curves, thermal characteristics, and detailed pin configurations, please refer to the official Alpha & Omega Semiconductor AOD4184A Datasheet.

Applications:

• DC Motor Control: Use for high-power DC motor drivers and H-bridges.
• Power Supplies: Implement as a switching element in DC-DC converters and voltage regulators.
• Battery Management: Ideal for battery protection circuits and charging systems.
• High-Power LED Drivers: Drive high-current LED arrays with precision.
• Load Switching: Efficiently switch high-current loads on and off.

Equivalent Models:

• IRLZ44N: A well-known logic-level MOSFET from Infineon/Vishay.
• STP55N06L: Another popular low-voltage N-Channel MOSFET.

Package Includes:

• 1 x AOD4184A 40V 50A N-Channel Power Mosfet