12V 2A power adapter

12V 2A Power Adapter

Looking for a dependable and efficient 12V 2A power adapter from a trusted manufacturer? Contact us today to discover our high-quality power adapters, designed for optimal performance and reliability, perfect for your power supply needs.

12V 2A Power Adapter Product Description

Our 12V 2A power adapter is a high-efficiency and reliable solution designed to meet your diverse power needs. Featuring an input voltage range of 90-264V AC and advanced protections against short circuits, overloads, and overvoltages, this power adapter ensures consistent and safe operation. Its compact, fully enclosed plastic case guarantees durability and easy integration into various applications. With a focus on efficiency and performance, our 12V 2A power adapter is the perfect choice for your power supply requirements.

LongjannTech is a leading 12V 2A power adapter manufacturer in China. Contact us today to learn more about our superior power adapters and how they can enhance your operations. Let’s power your devices with the best in the market!

12V 2A Power Adapter Technical Specifications


  • Input Voltage Range: 90Vac – 264Vac
  • No load power consumption: <0.5W
  • Input Current Harmonic: EN60950-1 compliant
  • Output voltage Ripple and Noise: <100mVp-p
  • Output: 12Vdc 2A
  • Protections: Short circuit / Overload / Overvoltage
  • Fully enclosed plastic case

Electrical Characteristics:

  • Efficiency: ≥ 82%
  • Turn-On Delay Time: 300mS
  • Load Regulation: 5% max.
  • Hold-up Time: 5mS min.
  • Dielectric Strength (Hi-Pot):
    • Between AC input and secondary: AC 3.0kV, test time 1 minute, cut-off current < 10 mA
    • AC 3.0kV, test time 10 Sec. for mass production
  • Insulation Resistance:
    • Between AC input and secondary: 500Vdc, test time 1 minute
    • 500Vdc, test time 10 Sec. for mass production
    • ≥100MΩ


  • Operating Temperature: 0 to 50°C
  • Storage Temperature: -40 to 85°C
  • Relative Humidity: 5% to 95%

Longjann 12V 2A Power Adapter Circuit

12V 2A Power Adapter Applications

The 12V 2A power adapter is a versatile solution suited for a wide range of applications. In LED lighting systems, it provides a stable output voltage that ensures consistent performance for LED strips. For surveillance and security systems, its low ripple and noise feature stands out, providing reliable power without interference. It is also ideal for small electronic devices such as routers, modems, and network switches, ensuring uninterrupted internet and network connectivity. Additionally, this power adapter is suitable for certain medical devices, small appliances, and DIY electronics projects, making it a reliable and flexible choice for various low-power needs!

Longjann 12V 2A Power Adapter


  1. Is a Free Sample Available?
    • Yes, samples are available for qualified customers.
  2. What Kinds of Input Plugs Are Supported?
    • We support EU, US, AU, and UK plugs.
  3. What Are the Minimum Order Quantities (MOQs)?
    • For standard products, the MOQ is 100 pcs per model.
  4. Can you Provide Customization Options?
    • Yes, customization options are supported.
  5. What Is the Lead Time for Orders?
    • For mass production, the lead time is 2 to 3 weeks.

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