NF-S12A PWM

Airflow-optimised 120mm fan

Award-winning S12 design

Airflow-optimised design for near-silent case ventilation

SSO2 Bearing

Second generation of Noctua's renowned SSO bearing

4-pin PWM version

For automatic speed control

Variant:

Product line:

Key specifications
Size (Form factor)
120 x 120 x 25 mm (square)
Speed range
0 – 1200 rpm
Airflow (max.)
107.5 m³/h (63.27 CFM)
Acoustical noise (max.)
17.8 dB(A)
Static pressure (max.)
1.19 mm H₂O
Rated voltage
12 V
Input power (typical)
1.19 W
Connector
4-pin
Colour
Brown
Warranty
6 years
Scope of delivery
  • NA-RC7 Low-Noise Adaptor (L.N.A.)
  • NA-YC1 4-pin PWM splitter cable
  • NA-EC1 30cm extension cable
  • 4x NA-AV1 anti-vibration mounts
  • Fan screws

Extended specifications

Mechanical specifications
Dimensions without anti-vibration pads
120 x 120 x 25 mm
Dimensions with anti-vibration pads
120 x 120 x 27 mm
Frame shape
Square
Mounting hole spacing(s)
105 x 105 mm
Weight
140 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
Performance specifications
Rotational speed (max.)
1200 rpm
Rotational speed with LNA (max.)
900 rpm
Rotational speed @ 20% PWM
300 rpm
Rotational speed @ 0% PWM
0 rpm
Acoustical noise (max.)
17.8 dB(A)
Acoustical noise with LNA (max.)
10.7 dB(A)
Airflow (max.)
107.5 m³/h (63.27 CFM)
Airflow with LNA (max.)
83.2 m³/h (48.97 CFM)
Static pressure (max.)
1.19 mm H₂O
Static pressure with LNA (max.)
0.73 mm H₂O
Electrical specifications
Motor type (phases)
Single phase
Poles
4
Slots
4
Driver IC
NE-FD1
Rated voltage
12 V
Starting voltage
7 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)
1.44 W
Input power (typical)
1.19 W
Input current (max)
0.12 A
Input current (typical)
0.1 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
-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
212 x 152 x 37 mm
Packaging weight (including product)
280 g
EAN
4716123314929
UPC
842431014252
Packaging unit
40 pcs
Packaging unit dimensions
390 x 390 x 360 mm
Packaging unit weight
12 kg