NF-A14 5V PWM

140mm, 5V premium fan with PWM

Award-winning 140mm design

High airflow performance at minimum noise levels

SSO2 Bearing

Second generation of Noctua's renowned SSO bearing

5V PWM version

With USB power adaptor cable

Product line:

5V PWM version, not for use in PCs.
Key specifications
Size (Form factor)
140 x 140 x 25 mm (square)
Speed range
0 – 1500 rpm
Airflow (max.)
140.2 m³/h (82.52 CFM)
Acoustical noise (max.)
24.6 dB(A)
Static pressure (max.)
2.08 mm H₂O
Rated voltage
5 V
Input power (typical)
0.99 W
Connector
4-pin
Colour
Brown
Warranty
6 years
Scope of delivery
  • NA-EC1 30cm extension cable
  • 4x NA-AV1 anti-vibration mounts
  • USB power adaptor cable
  • OmniJoin™ adaptor set
  • Fan screws

Extended specifications

Mechanical specifications
Dimensions without anti-vibration pads
140 x 140 x 25 mm
Dimensions with anti-vibration pads
141 x 141 x 27 mm
Frame shape
Square
Mounting hole spacing(s)
124.5 x 124.5 mm
Weight
190 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
26 AWG
Sleeving
Fibreglass silicone mesh
Included adaptors
OmniJoin™, USB Type-A
Performance specifications
Rotational speed (max.)
1500 rpm
Rotational speed @ 20% PWM
400 rpm
Rotational speed @ 0% PWM
0 rpm
Acoustical noise (max.)
24.6 dB(A)
Airflow (max.)
140.2 m³/h (82.52 CFM)
Static pressure (max.)
2.08 mm H₂O
Electrical specifications
Motor type (phases)
Single phase
Poles
4
Slots
4
Driver IC
NE-FD3
Rated voltage
5 V
Starting voltage
4 V
Max. operating voltage
5.5 V
Pin configuration
Diagram showing the pin configuration for Noctua 5V fans. The 3-pin fan uses yellow (RPM signal), red (+5V), and black (ground) wires. The 4-pin PWM fan uses blue (PWM signal), green (RPM speed signal), yellow (+5V), and black (ground) wires.
Pin 1
Black: Ground (GND)
Pin 2
Yellow: Voltage (Vcc)
Pin 3
Green: RPM Signal
Pin 4
Blue: PWM Signal
Input power (max)
1.3 W
Input power (typical)
0.99 W
Input current (max)
0.26 A
Input current (typical)
0.198 A
Safety, compliance & environmental specifications
Safety standards
EN62368-1
EMC standards
EN55032, EN55035
UL
CE
UKCA
TÜV
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
-40°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
242 x 174 x 37 mm
Packaging weight (including product)
380 g
EAN
9010018100235
UPC
841501110238
Packaging unit
40 pcs
Packaging unit dimensions
435 x 380 x 385 mm
Packaging unit weight
16.4 kg