Delta 40x40mm FFB0412UHN-BC2E Server Fan 12V 23,000RPM PWM Control and Speed Out

Heavy Duty DC High Flow BLDC Server Fan with Speed Monitor (Frequency Generator) and PWM speed Control input.

Size: 40x40x28mm
Voltage: 7-13.2VDC, 12V Nominal
Rated Current: 0.84A max, 1.01A Typical
Input Power:10.08-12.12W
Speed: 23,000RPM
Bearing: Ball
Safety Approvals: UL,TUV

Wire Termination:8 pin Wafer 1.5mm pitch
FAN:
Black -0V
Red - 12V
Blue - Speed (Pulse, NPN open collector)
Yellow- PWM input 5V logic (Max speed when left unconnected)
LED:
Blue- Anode(+)
Green - Cathode (-)
Color- Green

Notes:
1) This fan is used mainly as a cooling fan in computer servers - an application that demands zero failure with years in 24/7 operation. That says a lot about the reliability of this product.
2) This fan can be quite noisy because of its high RPM.
3) This item is an unused( brand new) surplus.