Type: Case Fan
Max. Air Flow Volume: 252CFM
Bearing Type: Ball
Max. Fan Speed: 7500RPM
Brand: Delta Electronics
Power Connection: 4-Pin
Model: PFC1212DE
Fan Diameter: 120 mm
MPN: Delta
Country/Region of Manufacture: China

Dimensions: 120 x 120 x 38mm.
* Air Flow: 253 CFM.
* Air Pressure: 1.412" (352 pa)
* Speed:1,550- 5,500 RPM.
* Max Noise: 66.5 dBA.
* Rated Voltage: 12VDC.
* Startup Voltage: 5.0 VDC (.50A)*
* Current: 0.25 - 4.8 A
* Bearing type: Dual Ball
* MTBF: 70,000 hours continuous @ 40 C
* Operating Temperature -10 to 60C

*actually measured with a bench power supply.

PWM Speed Control Table

DUTY CYCLE (&) SPEED R.P.M. CURRENT (A)
100% 5500 4.00
20% 1600 0.25
0% 1550 0.25
Fan frame: plastic injection molding, PBT +30% glass fiber + VO grade flame retardant;
Blade: plastic injection molding, PBT +30% glass fiber + VO grade flame retardant;
Fan rotation: from the fan direction is counter-clockwise;
Operating temperature: -10 degrees Celsius to +70 degrees Celsius;
Storage temperature: -40 degrees Celsius to +70 degrees Celsius;
Bearing: high precision ball bearings;
Power range: plus or minus 15% of the rated power;
Insulation resistance:> 500 megohms;
Withstanding voltage: Department of leakage current 0.5mA 500V / 1 minute;
Working life: an ambient temperature of 25 degrees when 80,000 hours.

Name:	Delta
Part#:	PFC1212DE
Type:	4-Pin Fan Brand
Fan Bearing:	Ball Bearing
Fan Speed:	5500rpm
Noise:	66dBA
Fan Size:	120x120x38mm