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What are the differences between ac adapter and dc adapter?

source:Industry News     Popular:adapter     release time:2021-01-26 19:54:23     Article author:sznbone    

1. What does ac adapter mean

 

ac adapter, namely ac power adapter, also known as AC power adapter, ac is the abbreviation of Alternating Current, which means alternating current. Since the mains voltage is generally 220V alternating current, and many electrical equipment need to use 5V, 12V or 24V direct current, an AC adapter is needed to convert the 220V alternating current voltage to the normal working direct current mode of electrical equipment.

 

Generally speaking, the universal ac adapter input voltage is in the range of 100-240V. According to the standards of different countries and regions, there are various specifications of ac adapters such as national standards, Japanese regulations, American regulations, British regulations, and Australian regulations. 

Second, what are the differences between ac adapter and dc adapter 

Corresponding to ac adapter is dc adapter, which is also a kind of power adapter. dc stands for Direct Current, which means direct current. What is the difference between power adapter ac and dc? 

1. Different meanings: AC is the English abbreviation for AC power, and DC is the English abbreviation for DC power. 

2. The current direction is different: AC power flows out in two directions and then flows back. The magnitude is constantly changing (the changing law of lighting power is sinusoidal). Frequency can indicate how fast the direction of AC power changes, and phase can indicate the start time of AC power transmission. Direct current has only one direction, and current can only flow from positive to negative. 

3. Different uses: our common electric lights, motors, etc. are all alternating current; direct current is mainly used in various electronic instruments, electrolysis, electroplating, direct current power driving and so on.

 

4. Different specifications: DC refers to the direct current power supply. Generally, there are several common voltages such as 3V, 5V, 6V, 9V, 12V, 24V, etc. The AC output voltage generally has multiple specifications such as 120V, 220V, and 240V.


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