Datasheet

DC Fan Motor
40 sq.×10t
(ASFN4)
RoHS Directive compatibility information
http://www.nais-e.com/
DIMENSIONS (mm inch)
10±0.5
.394±.020
2.3±0.25
.091±.010
2.7±0.25
.106±.010
4-.138 dia.
4-3.5 dia.
8-6
32±0.2
40±0.3
1.260±.008
1.575±.012
40±0.3
1.575±.012
32±0.2
1.260±.008
Airflow
200 min.
7.874 min.
RATING
1. Standard speed
2. Middle speed
3. Low speed
Notes: 1. Values above without designations are averages.
2. Noise levels are based on measurements taken at a distance of 1 m from the front of the fan.
Part number
Rated voltage
(V)
Input power (W)
Max./Av.
Rated current (mA)
Max./Av.
Rotation speed
(r/min)
Max. air flow
(m
3
/min)
Max. static pressure
(Pa)
Noise
(dB(A))
Weight
(g)
ASFN40770 5 1.05/0.775 210/155
6,500 0.17 46.0 29 15.0
ASFN40771 12 1.20/0.876 100/73
Part number
Rated voltage
(V)
Input power (W)
Max./Av.
Rated current (mA)
Max./Av.
Rotation speed
(r/min)
Max. air flow
(m
3
/min)
Max. static pressure
(Pa)
Noise
(dB(A))
Weight
(g)
ASFN42770 5 0.80/0.60 160/120
5,500 0.15 34.0 25 15.0
ASFN42771 12 1.20/0.876 100/73
Part number
Rated voltage
(V)
Input power (W)
Max./Av.
Rated current (mA)
Max./Av.
Rotation speed
(r/min)
Max. air flow
(m
3
/min)
Max. static pressure
(Pa)
Noise
(dB(A))
Weight
(g)
ASFN44770 5 0.50/0.375 100/75
4,500 0.12 24.0 22 15.0
ASFN44771 12 1.08/0.744 90/62
NEW
DATA
(Airflow - Static pressure
Characteristic Curve)
50
40
30
20
10
0
0 0.05 0.1 0.15 0.2 0.25
Standard
Middle
Low
Airflow (m
3
/min)
Static pressure (Pa)
MATERIALS USED
Frame: plastic
Propeller: plastic
Bearings: ball bearings
Lead wires: UL1061 and AWG26
WIRING DIAGRAM
Red
Black
5V DC
12V DC
Fan motor
SPECIFICATIONS
Ambient temperature –10°C to +60°C +14°F to +140°F
Ambient humidity 15 to 85% RH
Temperature rise
Coil surface: Max. 50 °C 122°F (Nominal voltage, by resistive method)
External surface: Max. 20°C 68°F (Nominal voltage, by thermocouple method)
Breakdown voltage 500 V AC for 1 min. (between lead wire and external housing)
Insulation resistance Min. 10 MΩ (at 500 V DC)
Vibration
resistance
Frequency 10 to 55Hz
Double amplitude width 0.75mm
Applied direction X, Y and Z directions
Applied time 10 min. in each direction
Lead wire tensile strength 9.8 N, single wires did not break at 15 seconds
Fan blockage No coil burnout even after blockage of 72 hrs. at nominal voltage.
Reverse polarity power connection No damage even after reverse polarity connection for short time at nominal voltage.
Expected life
90% survival rate at 60,000 hrs. (When rotation frequency drops 30% of initial value
when run at nominal voltage under 25°C 77°F, room humidity.)
02/2006
6