10pcs FFB0412VHN 4028 4cm 12V 0.24A PWM DC cooling fan speed control 40*40*28mm

[]:Dek[ Dimensions ]: 40 × 40 × 28mm[ Rated voltage ]: DC12V[ Voltage Range ]: DC7.0V-13.6V[ Input Power ]: 0.24 A[ Rated speed ]: 9500 r.p.m[ Temperature Range ]: -10 .. 70 ° C[ Life expectancy ]: 25 ° C when the life expectancy of 50,000 hours L10[ Bearings] : Maintenance- double ball bearing[ Rotation] : air discharged from the stent , in the face of the rotor counterclockwise rotation[ Wiring ] : + Red - Black signal: blue ( Blue line speed , non-alarm line , it is necessary to pay attention to ) the line is about 10 cm[ Maximum amount of wind ]: 26.8 m / h?[ Motor Protection ] : overload , wrong level protection and stall protection locks flow[ Minimum pressure ]: 0 ..120 Pa[ Noise index ]: 41.9 dB (A)[ Material Material ] : Glass fiber reinced plastic , PBT housing , PA blade[ Function Description ] : E external rotor DC fans, complete electronic commutation components