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Time：2022-01-05Views：0
When we choose a cooling fan, there are mainly two different fans, one is a DC fan, the other is an AC fan, which one is better, let us share the characteristics of these two fans
1. Electricity mode: AC fan can be directly connected to mains power such as 220V, 110V, etc. The DC fan needs to be rectified and transformed from the mains to work, such as DC 12V, 5V and so on.
2. Service life: there is not much difference in service life between AC fans and DC fans with similar bearings, mainly depending on the type of bearing
3. Air volume: DC fans with the same specifications (such as 12038) have longer fan blades, so the speed can be higher. In contrast, the air volume of DC fans will be larger.
4. Efficiency: The use efficiency of the DC fan is low. For example, the 12038 DC fan has 2600 rpm and the power reaches 30W, while the DC fan also has 2600 rpm and the power is only 6W, and the air volume is even larger.
5. Cost: When it is convenient to get electricity, just for two single fans, the DC fan of the same specification is cheaper than the AC fan
6. Safety: AC fan is a dangerous voltage because it uses city power, accidentally touched, it is life-threatening, while DC fan is 48V
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