Nidec UltraFlo W40S 40mm x 28mm vane axial cooling fan For fan series data in an Adobe Acrobat PDF file, click here.

Nidec UltraFlo brand name W40S Series
To see a dimension drawing, move your cursor to the series name or the picture of the fan. To see a performance graph, move the cursor to a model name below.
Dimension drawing for Nidec W40S UltraFlo vane axial cooling fan
  Speed-Stable W40S12BUA5
Operating
Voltage
(V)		 Fraction
of Max.
Air Flow		 Fan
Speed
(rpm)		 Static
Pressure
(inwg)		 NPEL
(Bels)
13.8 100% 16000 0 6.8
80% 15970 0.27 6.9
20% 16010 0.94 6.8
12.0 100% 16000 0 6.8
80% 15970 0.27 6.9
20% 16010 0.94 6.8
7.0 100% 10375 0 5.7
80% 10320 0.16 5.7
20% 10690 0.40 5.8
Sound levels in the table are mean values, measured as the fans - without guards or other accessories - expel air from a test plenum on which they are mounted, using test methods and conventions prescribed by IPC-9591.
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Speed-Stable
Model*		 Air
Flow
(CFM)		 Max.
Static
Pressure
(inwg)		 Nominal
Voltage
(V)		 Voltage
Range
(V)		 Current
(A)		 Input
Power
(W)		 Sound Level Bearing Operating
Temp.
Min/Max
(°C)
Pressure
(dBA)		 NPEL
(IPC-
9591)
W40S12BUA5-01 24 1.61 12 7.0-13.8 0.55 6.6 52.1 6.8 Ball -10/+70
W40S12BGA5-01 21 1.23 12 7.0-13.8 0.40 4.8 51.0 — Ball -10/+70
 ™ UltraFlo is a brand trademark of Nidec Corporation.
 *  Monitor and control options, designated by the last characters of model names, are decribed here.
Air performance graph for Nidec W40S12BGA5-01 UltraFlo cooling fan
Air performance graph for Nidec W40S12BUA5-01 UltraFlo cooling fan
W40S is also available as a series of free-running fans. To see descriptions of those alternative models, click here.
fans vane axial fans cooling fans 40mm fans computer fans case fans air movers dc fans 12V fans W40S fans Nidec UltraFlo

W40S12BM W40S12BMA5 W40S12BMA5-51 W40S12BMA5-52 W40S12BMA5-53 W40S12BMA5-54 W40S12BMA5-55 W40S12BMA5-56 W40S12BMA5-57 W40S12BMA5-58 W40S12BMA5-59 W40S12BMA5-60 W40S12BMA5-61 W40S12BMA5-62 W40S12BMA5-63 W40S12BMA5-64 W40S12BMA5-65

W40S12BH W40S12BHA5 W40S12BHA5-51 W40S12BHA5-52 W40S12BHA5-53 W40S12BHA5-54 W40S12BHA5-55 W40S12BHA5-56 W40S12BHA5-57 W40S12BHA5-58 W40S12BHA5-59 W40S12BHA5-60 W40S12BHA5-61 W40S12BHA5-62 W40S12BHA5-63 W40S12BHA5-64 W40S12BHA5-65

W40S12BG W40S12BGA5 W40S12BGA5-51 W40S12BGA5-52 W40S12BGA5-53 W40S12BGA5-54 W40S12BGA5-55 W40S12BGA5-56 W40S12BGA5-57 W40S12BGA5-58 W40S12BGA5-59 W40S12BGA5-60 W40S12BGA5-61 W40S12BGA5-62 W40S12BGA5-63 W40S12BGA5-64 W40S12BGA5-65

W40S12BU W40S12BUA5 W40S12BUA5-51 W40S12BUA5-52 W40S12BUA5-53 W40S12BUA5-54 W40S12BUA5-55 W40S12BUA5-56 W40S12BUA5-57 W40S12BUA5-58 W40S12BUA5-59 W40S12BUA5-60 W40S12BUA5-61 W40S12BUA5-62 W40S12BUA5-63 W40S12BUA5-64 W40S12BUA5-65

W40S12BG W40S12BGA5 W40S12BGA5-01 W40S12BGA5-02 W40S12BGA5-03 W40S12BGA5-04 W40S12BGA5-05 W40S12BGA5-06 W40S12BGA5-07 W40S12BGA5-08 W40S12BGA5-09 W40S12BGA5-10 W40S12BGA5-11 W40S12BGA5-12 W40S12BGA5-13 W40S12BGA5-14 W40S12BGA5-15

W40S12BU W40S12BUA5 W40S12BUA5-01 W40S12BUA5-02 W40S12BUA5-03 W40S12BUA5-04 W40S12BUA5-05 W40S12BUA5-06 W40S12BUA5-07 W40S12BUA5-08 W40S12BUA5-09 W40S12BUA5-10 W40S12BUA5-11 W40S12BUA5-12 W40S12BUA5-13 W40S12BUA5-14W40S12BUA5-15