Introducing the 400mA 12V AC to DC Switching Power Supply Module: Your Power Solution Made Effortless!
The 400mA 12V AC to DC Switching Power Supply Module is an ingenious and compact device designed to effortlessly convert AC power to a stable and reliable DC output. This module is an indispensable component for a wide range of electronic applications, providing efficient power conversion and ensuring smooth operation for your projects.
Key Features:
1. High Efficiency: With advanced switching technology, this power supply module delivers impressive energy efficiency, minimizing power loss and reducing heat generation. Enjoy reliable performance with minimal energy consumption.
2. Wide Input Voltage Range: The module can accommodate a broad input voltage range, making it compatible with various AC power sources worldwide. From 100V to 240V AC, this module is adaptable to diverse electrical environments.
3. Robust Output: This power supply module provides a consistent and stable 12V DC output with a current capacity of 400mA. It supplies sufficient power to drive a wide array of electronic devices and components with ease.
4. Compact Design: The module boasts a compact and space-saving design, perfect for integrating into your projects with limited space constraints. Its portability and convenience make it an ideal choice for both DIY enthusiasts and professional engineers.
5. Overload and Short-Circuit Protection: Your safety is our priority. The module incorporates built-in overload and short-circuit protection, shielding your valuable devices from potential damage due to unexpected power fluctuations or electrical faults.
6. Easy Installation: Installing the 400mA 12V AC to DC Switching Power Supply Module is a breeze. It features user-friendly terminals for quick and secure connections, reducing setup time and simplifying your power supply integration process.
This versatile power supply module caters to an extensive range of applications, including:
– DIY Electronics Projects: Ideal for powering microcontrollers, sensors, LEDs, and other electronic components.
– Home Automation: Powering smart home devices, such as Wi-Fi cameras, thermostats, and smart lighting systems.
– Industrial Automation: Suitable for various industrial automation applications, including control circuits and sensors.
– Robotics: Providing reliable power to robotics projects and motor control systems.
– Audio and Video Equipment: Powering audio amplifiers, video displays, and other entertainment devices.
– Automotive Electronics: Suitable for automotive applications that require stable DC power, such as GPS modules and dash cameras.
Whether you’re a hobbyist, student, or professional engineer, the 400mA 12V AC to DC Switching Power Supply Module is an indispensable tool for any electronics project. Trust in its high efficiency, safety features, and robust performance to deliver seamless and stable power conversion for your devices. Experience the ease and reliability of our power supply module and take your projects to new heights!


  1. Module Properties: Ultra small,Precision, isolated Switch Power Supply,AC to DC Buck module,With indicator
  2. Dimensions:3cm x 2cm x 1.8cm
  3. Input voltage:AC 90V~250V 50/60HZ
  4. Output voltage:DC 12V (±0.2V)
  5. Output Current:450mA
  6. Output power: 5W


  1. Working Temperature:-20 ~ 60℃
  2. Relative Humidity:40 ~ 90%R
  3. Input Voltage Range:85~ 265v
  4. Input Current:
  5. Input Inrush Current: 20A
  6. Output Voltage Range:11.80~12.1V 0~500mA
  7. Output Power:0 ~6.0 W
  8. Output Efficiency:80%
  9. Input Voltage Of AC85 ~ 265v 50/60 HZ
  10. Output Voltage DC12V (±0.1V)
  11. Output Current 450MA
  12. Power 5W
  13. Size:3 x 2 x 1.8 cm