Adapter 12v 2A

12v 2a adapter
a 12v 2a adapter is a power supply unit designed to provide a stable 12v dc output with a current rating of 2a. it is commonly used to power various electronic devices such as routers, security cameras, led strips, and small appliances that require a 12v dc input. the adapter typically features a standard plug with a positive or negative tip polarity to ensure compatibility with the device being powered.

this adapter converts the ac power from a standard wall outlet (usually 110v or 220v, depending on region) to a regulated 12v dc output, making it ideal for use in applications where constant voltage is crucial for the operation of electronic circuits or devices.

specifications of 12v 2a adapter
electrical characteristics
-input voltage: 100-240v ac (global compatibility for use in various regions)
-input frequency: 50/60 hz
-output voltage: 12v dc (direct current)
-output current: 2a
-output power: 24w (12v × 2a)
-efficiency: 85% or higher (depending on the quality of the adapter)
physical dimensions
-size: typically compact, around 95mm x 55mm x 35mm (varies by model)
-weight: around 150-200g
connector type
-output connector: barrel jack or specific connector for the device being powered
-connector size (common): 5.5mm outer diameter, 2.1mm inner diameter (but may vary)
-polarity: center positive or center negative, depending on the device’s requirement
safety features
-overload protection: automatically cuts off power when the current exceeds the rated limit
-short circuit protection: protects the device and the adapter from damage due to short circuits
-overvoltage protection: prevents voltage from exceeding the rated output
-overheating protection: ensures the adapter doesn’t overheat and damages internal components
certifications & compliance
-certifications: ce, ul, rohs (depending on the region and model)
-safety standards: compliance with international safety standards
operating temperature
-range: typically between 0°c to 40°c (in a well-ventilated area)