BRUSHLESS DC FANS
F251R
RoHS compliant
■
FEATURES
Low noise, 11 dB (A) type by the correct application of
hydrodynamic design of impeller and frame
Light weight (approx. 7 g)
■
STRUCTURE
Frame and impeller
ABS/PBT alloy
Bearing
1 sleeve bearing
■
PART NUMBER DESIGNATION
F251R - 12 L C
Series name
Power supply
05
：
DC5 V
12
：
DC12 V
Bearing
1 sleeve bearing
Air flow
LL
：
0.04 m
3
/min
L
：
0.05 m
3
/min
■
LIST OF PART NUMBERS
Power supply
Part number
F251R-05LLC
DC5 V
F251R-05LC
※
Verify the above part numbers when placing orders.
Power supply
Part number
F251R-12LLC
DC12 V
F251R-12LC
F251R
BRUSHLESS DC FANS
■
STANDARD SPECIFICATIONS
Item
Rated voltage
Voltage range
Rated current
Rotating speed
Air flow
Static pressure
Noise
Use environment
Storage environment
Net weight
0.08 A
8000 min
-1
0.05 m
3
/min
30 Pa
15 dB (A)
F251R-05LC
DC5 V
4.2 ~ 5.7 V
F251R-05LLC
F251R-12LC
DC12 V
F251R-12LLC
10.2 ~ 13.8 V
0.06 A
6500 min
-1
0.04 m
3
/min
20 Pa
11 dB (A)
0.05 A
8000 min
-1
0.05 m
3
/min
30 Pa
15 dB (A)
0.04 A
6500 min
-1
0.04 m
3
/min
20 Pa
11 dB (A)
–10 ~ +60 °C (35 ~ 85 %RH)
–20 ~ +70 °C (35 ~ 85 %RH)
Approx. 7 g
※
The specifications above are typical values measured on the
■
AIR FLOW PERFORMANCE CURVES
50
45
40
Static pressure (Pa)
35
30
25
20
15
10
5
0
0.02
0.04
0.06
F251R-XXLL
F251R-XXL
conditions of no-loading running with rated voltage in the
circumstances of 25 °C
±
2 °C, 35~ 85 %RH. Please contact us if you
would liketo check the specifications in different circumstances.
Air flow (m
3
/min)
■
OUTLINE DIMENSIONS
150 ± 20
Lead wire : UL1061 AWG28
Black : GND
Red : VOLTAGE
(Unit: mm)
Dimension of mounting hole for recommendation
20 ± 0.5
4 – C2
10 ± 0.5
20 ± 0.5
25 ± 0.5
20 ± 0.5
4 –
φ
2.8
20 ± 0.5
Air flow
4 –
φ
2.8
φ
23
.6
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