* Model: DB04028B12U

* Size: 40×40×28mm

* Bearing: Double ball bearing

* Interface 4-wire interface

* Voltage: 12V

* Current: 0.66A

* Power: 7.92W

* Operating voltage: 7.0-13.4V

 Speed up to 15000RPM±10%

* Radiator noise 54 dB

* Maximum air volume: 23.78 CFM (cubic feet per minute) = 0.673 m3/min (cubic meters per minute)

* Maximum wind pressure: 1.32 inH2O (inch/water column) = 33.65 mmH2O (mm/water column)

* Fan frame: one-time injection molding, PBT + 30% glass fiber + VO grade flame retardant

* Fan blade: one-time injection molding, PBT + 30% glass fiber + VO grade flame retardant

* Fan rotation direction: viewed from the direction of the fan blades, it runs counterclockwise

* Temperature: -20 degrees Celsius to +70 degrees Celsius Storage temperature: -40 degrees Celsius to +80 degrees Celsius

* Power range: plus or minus 15% of the rated power

* Insulation resistance: greater than 500 megohms

* Working life: 100,000 hours at an ambient temperature of 25 degrees