"Micro Cooling Fan" Further, the electronic components including the protection diode D, the Hall element control C0M, the Hall element control line package COM respectively LI, L2 connecting line package, the protection diode D - end of the line and the line pack package LI L2 is connected to the common terminal; further, the protection diode D and the front end of the Hall element is connected to control AC-DC converter. The beneficial effects of the present invention, a simple structure of the present invention is novel, easy to use and flexible, due to the electronic components, so that the motor can be a DC power supply, low-voltage AC power supply can also be such that the production cost of the motor significantly reduced, thanks to the new brushless structure, greatly improving the a comprehensive range of motor performance. It has a compact overall structure, torque, low input skill, low noise, high efficiency, up to a maximum output skill 5. 2W, energy-saving effect.