NF-A4x10 PWM

High-efficiency quiet 40x10mm fan

Slim 40x10mm size

Ideal replacement for noisy or broken 4cm fans

Quiet cooling performance

Outstanding airflow and pressure at minimum noise levels

4-pin PWM version

For automatic speed control

Key specifications
Size (Form factor)
40 x 40 x 10 mm
Speed range
0 – 5000 rpm
Airflow (max.)
8.9 m³/h (5.24 CFM)
Acoustical noise (max.)
19.6 dB(A)
Static pressure (max.)
1.95 mm H₂O
Rated voltage
12 V
Input power (typical)
0.32 W
Connector
4-pin
Colour
Brown
Warranty
6 years
Scope of delivery
  • NA-EC1 30cm extension cable
  • 4x NA-AV3 anti-vibration mounts
  • OmniJoin™ adaptor set
  • NA-YC1 4-pin PWM splitter cable
  • NA-RC8 Low-Noise Adaptor (L.N.A.)
  • Fan screws

Extended specifications

Mechanical specifications
Dimensions without anti-vibration pads
40 x 40 x 11 mm
Dimensions with anti-vibration pads
40 x 40 x 12 mm
Mounting hole spacing(s)
32 x 32 mm
Weight
15 g
Material frame
PBT GF30
Material impeller
PBT GF30
Material anti-vibration pads
Silicone rubber
Bearing
SSO2
Rotational direction
Counter-clockwise
Frame colour
Beige
Impeller colour
Brown
Anti-vibration pads colour
Brown
Connector type
A2543-4PIN (or equal)
Cable length
200 mm
Cable length with extension cable (included)
500 mm
Wire
28 AWG
Sleeving
Fibreglass silicone mesh
Included adaptors
OmniJoin™
Performance specifications
Rotational speed (max.)
5000 rpm
Rotational speed with LNA (max.)
3700 rpm
Rotational speed @ 20% PWM
1050 rpm
Rotational speed @ 0% PWM
0 rpm
Acoustical noise (max.)
19.6 dB(A)
Acoustical noise with LNA (max.)
12.9 dB(A)
Airflow (max.)
8.9 m³/h (5.24 CFM)
Airflow with LNA (max.)
6.6 m³/h (3.88 CFM)
Static pressure (max.)
1.95 mm H₂O
Static pressure with LNA (max.)
1.21 mm H₂O
Electrical specifications
Motor type (phases)
Single phase
Poles
4
Slots
4
Driver IC
NE-FD1
Rated voltage
12 V
Starting voltage
8 V
Max. operating voltage
13.2 V
Pin configuration
Illustration of the pin configuration with the following text.: 3 pin 12V fans (non-PWM): Yellow = RPM Speed Signal, Red = +12V, Black = Ground (GND); 4 pin 12V fans (PWM): Blue = PWM Signal (+5V), Green = RPM Speed Signal; Yellow = +12V, Black = Ground (GND)
Pin 1
Black: Ground (GND)
Pin 2
Yellow: Voltage (Vcc)
Pin 3
Green: RPM Signal
Pin 4
Blue: PWM Signal
Input power (max)
0.48 W
Input power (typical)
0.32 W
Input current (max)
0.04 A
Input current (typical)
0.03 A
Safety, compliance & environmental specifications
Safety standards
EN62368-1
EMC standards
EN55032, EN55035
UL
CE
UKCA
Production Standards
ISO 9001 & ISO 14001
Flammability
UL 94 V-0
REACH
RoHS
CMRT
EMRT
Ingress protection
IP50
Operating temperature
-10°C to +70°C
Operating humidity
15 – 90 %
Storage temperature
-20°C to +75°C
Storage humidity
15 – 90 %
MTTF
> 150,000 h
Locked rotor protection
Auto power off after locked at rated voltage for 1 sec. After auto power off, the circuit attempts to restart in 2 to 6 sec.
Polarity protection
Open circuit when Vcc & GND are exchanged. Circuit won't be burned within 5 sec when Vcc & GND are exchanged.
Over voltage protection
Over current protection
Insulation resistance
10 MΩ / between unshielded wire and frame at 500 VDC/min
Dielectric strength
5 mA max. / measured between lead wire (+) and frame at 500 VAC/min
Logistical specifications
Packaging dimensions
18 x 140 x 110 mm
Packaging weight (including product)
76 g
EAN
9010018100440
UPC
841501110443
Packaging unit
36 pcs
Packaging unit dimensions
140 x 450 x 240 mm
Packaging unit weight
3.5 kg