DC Fan Motor

80 sq.

×25t

(ASFN8)

RoHS Directive compatibility information

http://www.nais-e.com/

DIMENSIONS (mm inch)

.984

±.020

25

±0.5

71.5

±0.3

80

±0.3

2.815

±.012

3.150

±.012

80

±0.3

3.150

±.012

71.5

±0.3

2.815

±.012

Airflow

300 min.

11.811 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

(m3/min)

Max. static pressure

(Pa)

Noise

(dB(A))

Weight

(g)

ASFN80371

12

3.96/3.00

330/250

2,950

1.09

36.6

32.5

80

ASFN80372

24

4.32/3.36

180/140

Part number

Rated voltage

(V)

Input power (W)

Max./Av.

Rated current (mA)

Max./Av.

Rotation speed

(r/min)

Max. air flow

(m3/min)

Max. static pressure

(Pa)

Noise

(dB(A))

Weight

(g)

ASFN82371

12

2.04/1.56

170/130

2,400

0.88

24.3

27.0

80

ASFN82372

24

2.16/1.68

90/70

Part number

Rated voltage

(V)

Input power (W)

Max./Av.

Rated current (mA)

Max./Av.

Rotation speed

(r/min)

Max. air flow

(m3/min)

Max. static pressure

(Pa)

Noise

(dB(A))

Weight

(g)

ASFN84371

12

1.20/0.84

100/70

1,900

0.68

14.2

22

80

ASFN84372

24

1.44/0.96

60/40

NEW

DATA (Airflow - Static pressure

Characteristic Curve)

60

50

40

30

20

10

0

0

0.2

0.4

0.6

0.8

1.0 1.2

1.4

1.6

Standard

Middle

Low

Airflow (m3/min)

MATERIALS USED

Frame: plastic

Propeller: plastic

Bearings: ball bearings

Lead wires: UL1007 and AWG24

WIRING DIAGRAM

Red

Black

12V DC

24V 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 M

Ω (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

8