


( Brand: Mean Well ), ( Part Type: Supply ), ( Manufacturer Part Number: MDR-20-12 )
The Mean Well MDR-20-12 Switching Power Supply is a reliable and efficient power solution, designed for various applications that require a stable 12V DC output. This particular model, with a rating of 12V/1.67A and a maximum power output of 20W, is an ideal choice for devices that require a moderate power supply.
The MDR-20-12 is a switching power supply, which means it converts alternating current (AC) to direct current (DC) efficiently. It features a compact and lightweight design, making it easy to integrate into various systems. Its dimensions are only 75mm (L) x 45mm (W) x 30mm (H), providing excellent space utilization.
The Mean Well MDR-20-12 is renowned for its high efficiency, with an output power efficiency of up to 87%. This translates to less heat production and lower energy consumption, ultimately resulting in cost savings and a reduced carbon footprint.
The power supply features various safety features, such as short-circuit protection, overvoltage protection, and overcurrent protection. These safeguards protect the connected devices and the power supply itself from potential damage. Additionally, the MDR-20-12 has a built-in over-temperature protection feature, which automatically shuts off the power supply to prevent overheating.
The Mean Well MDR-20-12 Switching Power Supply is also renowned for its durability and long-term reliability. It is designed to operate in a wide temperature range, from -20 C to 70 C. The power supply's robust construction ensures that it can withstand rough handling and harsh environments.
In summary, the Mean Well MDR-20-12 Switching Power Supply is a versatile and reliable power solution, ideal for devices requiring a 12V DC output with a maximum power of 20W. Its high efficiency, safety features, durability, and compact design make it an excellent choice for various applications.
Pros of buying MDR-20-12 Switching Power Supply:1. Efficient: The switching power supply is more efficient than a linear power supply, as it uses electronic switching to convert AC to DC. This results in less heat generation and energy waste.
2. Compact: Due to its high efficiency, the MDR-20-12 is also more compact than a linear power supply, making it a great choice for devices with limited space.
3. Regulated Output: The power supply provides a regulated 12V output, which ensures a stable voltage and current supply to the connected device, preventing voltage drops and surges.
4. Protective Features: The MDR-20-12 includes features such as short-circuit protection, over-voltage protection, and over-current protection, which help protect the connected device and the power supply itself from damage.
Cons of buying MDR-20-12 Switching Power Supply:1. Initial Cost: While the MDR-20-12 is more efficient and compact, it may have a higher initial cost compared to a linear power supply.
2. Complexity: The switching power supply may be more complex to design and manufacture, which could lead to higher costs and longer lead times.
3. EMI/RFI Emissions: Switching power supplies can generate high levels of electromagnetic interference (EMI) and radio frequency interference (RFI), which may require additional filtering and shielding to meet regulations.
Conclusion:The MDR-20-12 Switching Power Supply is a high-quality, efficient, and compact power supply option for devices that require a regulated 12V output. While it may have a higher initial cost compared to a linear power supply, its energy-saving and protective features make it a worthwhile investment over the long term.
Recommendation:If you are looking for a reliable and efficient power supply for your device, we recommend considering the MDR-20-12 Switching Power Supply. Its protective features, high efficiency, and compact size make it an excellent choice for a variety of applications.
Photos are of the actual unit for sale. Shipping Details: originates from zip code 95742. Item was recently removed from working service and is in excellent order. Includes Switching Power Supply as pictured.
Privacy: Rest assured your information will not be given, sold, rented or loaned to any third party. Item will come with a 30 Day Warranty. Cosmetically in excellent condition showing minimal signs of previous use. If a custom power cord or AC adapter is required for the item, it only included if pictured described above.