Dimensions (unit: mm)
Inlet side Outlet side
920.5
4- 4.50.5 761
Lead wire 82.50.5
Mounting hole (4) (4)
AWG22
92 9CRA type
UL3266
Counter Rotating Fan
(10)
+30
300 0
Features
High Airflow and High Static Pressure
The maximum airflow has increased by 14% compared
*
with our conventional product.
4-4.50.5
Mounting hole
Furthermore, it has achieved industry-leading maximum
Rotating direction Airow direction Rotating direction
static pressure of 1,650 Pa.
It provides effective cooling especially for high density
equipment.
Reference Dimensions of Mounting Holes and Vent Opening (unit: mm)
*: Compared with when two of our conventional DC fan, 92 92 38 mm
San Ace 92 9HV type (model no.: 9HV0912P1G001),
Inlet side, Outlet side
are connected in series for operation.
90.5
4-4.5
92 92 76 mm
Specications
The following nos. have PWM controls, pulse sensors.
Operating PWM Operating Expected
-1
Rated voltage Rated current Rated input Rated speed [min ] Max. airow Max. static pressure SPL
(Note 3)
Model no. voltage range duty cycle temperature life
3
[V] [A] [W] Inlet Outlet [m /min] [CFM] [Pa] [inchH2O] [dB(A)]
(Note 1, 2)
[V] [%] [ ] [h]
100 9.0 108.0 13,300 12,200 5.8 205 1,650 6.63 81
9CRA0912P0G001 12 10.2 to 13.2
82.5 0.3
20 0.42 5.04 3,500 3,200 1.48 52.3 140 0.56 47
40,000 / 60
-20 to +70
(70,000 / 40 )
100 2.2 105.6 13,300 12,200 5.8 205 1,650 6.63 81
9CRA0948P0G601 48 36 to 60
20 0.15 7.20 3,500 3,200 1.48 52.3 140 0.56 47
Note 1: PWM frequency: 25 kHz Note 2: Fan does not rotate when PWM duty cycle is 0%. Note 3: Expected life at 40 ambient is just reference value.
Models with the following sensor specications are also available as options: Without sensor Pulse sensor Lock sensor
Common Specications
Material Frame, Impeller: Plastics (Flammability: UL94V-0)
Expected life Refer to specications
(L10: Survival rate: 90% at 60 , rated voltage, and continuously run in a free air state)
Motor protection system Current blocking function and reverse polarity protection
Dielectric strength 50 / 60 Hz, 500 VAC, 1 minute (between lead conductor and frame)
Sound pressure level (SPL) Expressed as the value at 1 m from air inlet side
Operating temperature Refer to specications (Non-condensing)
Storage temperature -30 to +70 (Non-condensing)
Lead wire Inlet: Red Black Sensor: Yellow Control: Brown
Outlet: Orange Gray Sensor: Purple Control: White
Notice
Mass 510 g
Please read theSafety Precaution on our website before using the product.
The products shown in this catalog are subject to Japanese Export Control Law. Diversion contrary to the law of exporting country is prohibited.
For protecting fan bearings against electrolytic corrosion near strong electromagnetic noise sources,
we provide effective countermeasures such as Electrolytic Corrosion Proof Fans and EMC guards. Contact us for details.
3-33-1 Minami-Otsuka, Toshima-ku, Tokyo 170-8451, Japan TEL: +81 3 5927 1020 92 92 76 mm
92
9CRA type
Airow - Static Pressure Characteristics PWM Input Signal Example
VIH=4.75 V to 5.25 V
PWM duty cycle Input signal waveform
(inch H2O) (Pa)
VIL=0 V to 0.4 V
12 VDC / 48 VDC
1,800
T1
VIH
7
PWM duty cycle (%) = 100
PWM Duty Cycle T
1
1,600
100% PWM frequency 25 (kHz) =
T
6
Source current (Isource) : 2 mA max. at control voltage 0 V
1,400
Sink current (Isink) : 2 mA max. at control voltage 5.25 V
5 VIL
1,200
Control terminal voltage: 5.25 V max. (Open circuit)
T1
4 1,000 When the control lead wire is open,
60% the fan speed is the same as the one at a PWM duty cycle of 100%.
800
3 Either TTL input, open collector or open drain can be used for
T
PWM control input signal.
600
2
400
20%
1
200
Example of Connection Schematic
0
3
0 1 2 3 4 5 6 (m / min)
0 20 40 60 80 100 120 140 160 180 200 (CFM)
Inside of DC fan
Inside of DC fan
DC fan input voltage DC fan input voltage
Airow
9CRA0912P0G001
5 V
5 V
9CRA0948P0G601
10 k 10 k
Operating voltage range
Control Control
22 22
(inch H2O) (inch H2O)
(Pa) (Pa)
PWM duty cycle 100% PWM duty cycle 100%
1,800 1,800 Isource Isource
PWM input signal PWM input signal
7 7
13.2 V
60 V 20 k
Isink Isink
1,600 1,600
6 6
12 V
48 V
1,400 1,400
10.2 V
5 5
1,200 1,200
36 V
4 1,000 4 1,000
9CRA0912P0G001 9CRA0948P0G601
800 800
3 3
Specications for Pulse Sensors
600 600
2 2
400 400
Output circuit: Open collector
1 1
Rated voltage 12 V fan
200 200
VCE = +13.8 V max.
Inside of DC fan
Ic = 5 mA max. [VOL = VCE (SAT) = 0.6 V max.]
0 0
3 3
0 1 2 3 4 5 6 (m / min) 0 1 2 3 4 5 6 (m / min)
Rated voltage 48 V fan
0 20 40 60 80 100 120 140 160 180 200 (CFM) 0 20 40 60 80 100 120 140 160 180 200 (CFM)
Pull-up resistor
VCE = +60 V max.
Sensor
Airow Airow
Ic = 10 mA max. [VOLVCE (SAT) = 0.6 V max.]
Pull-up voltage
9CRA0912P0G001 9CRA0948P0G601
Ic
PWM Duty - Speed Characteristics Example
Sensor output
(VCE)
Voltage: 12 VDC / 48 VDC
-1
(min )
PWM frequency: 25 kHz
16,000
Output waveform (Need pull-up resistor)
14,000
-1
13,300 min
In case of steady running
-1
12,200 min
12,000 T1 to 4 (1/4) T0
Inlet side
(One revolution)
T1 to 4 (1/4) T0 = 60/4N (sec)
10,000
T0
-1
N = Fan speed (min )
8,000
Outlet side
T1 T2 T3 T4
6,000
VOH
4,000
VOL
2,000
0 V
0 100 (%)
PWM duty cycle
9CRA0912P0G001
9CRA0948P0G601
Speed
Static pressure Static pressure
Static pressure