Sleeve Bearing LED Light CPU Cooling Fan , axial compact fan 20mm x 20mm x 06 mm
Brushless axial dc fan 20mm , low noise and long life expectancy , are widely used in the computer information technology , network communications , as well as industrial production equipment , medical equipment , home appliances , etc .
A : Specifications :
| ITEM | | Specification. Condition |
| Locked Rotor Protection | □ | Safety Condition |
■ | Auto power off after locked at rated voltage for 1sec
After auto power off ,circuit attempt restart in 2 to 6sec |
| Polarity Protection | ■ | Open circuit when Vcc&GND are exchanged |
| □ | Circuit won’t be burned within 5 seconds when Vcc &GND are exchanged |
| Insulation Resistance | 10MΩ Between unshielded wire and frame at 500VDC/min |
| Dielectric Strength | 5mA Max/ Measured b/w lead wire(+)and frame at 500VAC/min |
| Special Function | □ | Soft Start
5s (0 to Max speed) | □ | Current Limiter |
B: Electrical Specification:
C. (Main Materials, Parts Specification)
| Bearing | □(Dual Ball Bearing) | ■ | (Sleeve Bearing) |
| Frame | ■ | PBT of UL94V-0. | □ | Die-cast Aluminum Alloy |
| Impeller | ■ | PBT of UL94V-0. | □ | Steel |
| Bobbin | PBT of UL94V-0. |
| Lead Wire | ■ | Red(+) | ■ | Black(-) | □ | Blue(PWM) | UL 1571 28# |
| □ | Yellow(FG) | □ | White(RD) | 2 wires 100±10mm |
| Connector | No |
| Tube | No |
● Brushless DC Fan , Axial DC Fan , DC Motor Fan , Cheap Fan , Portable Fan , CPU Fan , Computer case fan , laptop fan , PWM Fan , FG cooling fan , LED Digital signage
● Various Size
● High speed , Middle speed , Low speed
● Plastic Frame or Die-Cast Aluminum Frame and Plastic impeller
● 5 blades 7 blades or 9 blades
● 5V DC 12V DC 24V DC or 48V DC
● Ball bearing or Sleeve bearing or Hydraulic bearing
● Terminal or Lead wire
● Waterproof explosion proof or high proof are can be satisfied .
Important Note :
Rated Current : Rated Current shall be measured after 3 minutes of continuos rotation at rated voltage .
Rated Speed : Rated Speed shall be measured after 3 minutes of continuos rotation at rated voltage
Start Voltage : The voltage which is able to start the fan to operate by suddenly switching “ON”
Dropping test standard : Drop a minimum packing box in a height of 30 cm for perpendicular free falling motion to the surface of wooden plate of 10 cm . After test , connect the fan to the power , the fan still in normal operation .
Dimensions (Unit : mm)
