This is a special blower DC fan with a rough dimension of 30x30x04mm which is a very thin width as we can see in the following images attached, Most manufacturers can make standard items with easy requets like Voltage 5VDC, speed, airflow and PWM, and so on, but most of…
With the development of society and economy, the people requires a higher and higher air quality in their working and life environment,
Many people who know nothing about the fan industry might think the AC fan and DC fan are the same, the fact is that they both are different. I am gonna tell the differences from their bearing systems.