DC Fan - 5, 12, 24V
40x28mm (1.58”x 1.10”)
OD4028 Series
PBT, UL94V-O plastic
Frame & Impeller
Connection
Available Options:
2x Lead wires 26AWG
Tachometer (FG)
Alarm (RD)
PWM (Pulse Width
Modulated speed control)
Thermistor (Thermal Speed
Control)
Brushless DC, auto restart,
impedance and polarity
protected
Motor
Ball bearing or Sleeve
Bearing System
Life Expectancy (L10)
Ball - 60,000 hrs (45C)
Sleeve - 30,000 hrs (45C)
10M ohm between leadwire
and frame (500VDC)
Insulation Resistance
1 second at 500 VAC, max
leakage - 500 MicroAmp
Dielectric Strength
Operating Temperature
Ball: -20 ~ 80C
Sleeve: -10 ~ 50C
-30C ~ +90C
(5V not shown)
Storage Temperature
m4
Voltage
Range
(VDC)
Max. Static
Pressure
(“H2O)
Speed
(RPM)
Airflow
(CFM)
Noise
(dB)
Model Number
Volts DC
Amps
OD4028-05H *
OD4028-05M *
OD4028-05L *
OD4028-12H *
OD4028-12M *
OD4028-12L *
OD4028-24H *
OD4028-24M *
OD4028-24L *
7500
6500
5000
8800
8000
5000
8800
8000
5000
10
9
32
29
25
37
35
25
37
35
25
5
4~7
4~7
0.35
0.30
0.22
0.20
0.18
0.12
0.16
0.12
0.09
0.24
0.17
0.10
0.32
0.25
0.10
0.32
0.25
0.10
5
7
5
4~7
12
11
7
12
12
12
24
24
24
7~14
7~14
7~14
10~27
10~27
10~27
12
11
7
* Indicate “B” for ball bearing or “S” for sleeve bearing
Knight Electronics, Inc.
10557 Metric Drive
Dallas, Texas 75243
Orion Fans
Information and data is subject to
change without prior notification.
32
214-340-0265
RoHS Compliant