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The difference between wall adapter and desktop power adapter

24 views Yuda Electronic (HK) Technology Co.,Limited. 2019-11-01

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The power adapter is divided into a wall plug power adapter and a desktop power adapter, and the wall plug power adapter is also called a wall mount power adapter.

 

The wall plug power adapter is the power adapter that the main body can be directly plugged into the plug-in board. The desktop power adapter is the power adapter that the main body needs to be placed on the desktop.

 

The difference between a desktop power adapter and a wall plug power adapter is that the desktop power adapter requires an AC line to connect to the mains.

 

The difference between wall adapter and desktop power adapter

 

Power adapters are widely used in security products, communication products, and small household appliances and consumer electronics products, especially in portable consumer electronics and communication products, generally within 10W.

 

For example, smartphones and tablets generally use 5-10W power adapters for power supply, while computer peripherals, security products, and small household appliances generally use power adapters below 36W. Especially in today’s energy-intensive energy conservation and environmental protection, this power segment is the most common.

 

Notebooks, TVs and other products generally use power adapters below 120W, while more than 100W use built-in power supply. But there are also external power adapters below 200W. But the number is relatively small.

Generally, the wall-mounted power adapter is mostly used below 36W. This power adapter is characterized by the fact that AC wire is not needed, which saves cost, saves space and is relatively safe.

 

In the early days, we were much more in contact with linear power supplies. For example, the repeater used in the last century. The power supply is bulky and bulky. It may also encounter a situation in which the plug is directly dropped due to unstable insertion.

 

However, with the development of science and technology, as energy is becoming more and more tense, energy efficiency requirements are getting higher and higher.

 

Consumer electronics have high efficiency, wide input voltage range requirements, and increased copper, iron and labor costs. These linear transformers are gradually being replaced by switching power adapters.

 

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