NF-S12B redux-1200 PWM
Classic high-performance 120mm fan
Classic 12cm airflow-focused design
Designed for efficient case ventilation
Streamlined redux edition
Proven Noctua quality at an attractive price point
4-pin, 1200rpm version
Offers an excellent balance of performance and quietness
Key specifications
Size (Form factor) | 120 x 120 x 25 mm (square) |
Speed range | 400 – 1200 rpm |
Airflow (max.) | 100.6 m³/h (59.21 CFM) |
Acoustical noise (max.) | 18.1 dB(A) |
Static pressure (max.) | 1.31 mm H₂O |
Rated voltage | 12 V |
Connector | 4-pin |
Colour | Grey |
Warranty | 6 years |
Scope of delivery
- NF-S12B redux-1200 PWM fan
- Fan screws
Extended specifications
Mechanical specifications
Dimensions without anti-vibration pads | 120 x 120 x 25 mm |
Frame shape | Square |
Mounting hole spacing(s) | 105 x 105 mm |
Weight | 140 g |
Material frame | PBT GF30 |
Material impeller | PBT GF30 |
Bearing | SSO |
Rotational direction | Counter-clockwise |
Frame colour | Light Grey |
Impeller colour | Dark Grey |
Connector type | A2543-4PIN (or equal) |
Cable length | 400 mm |
Wire | 26 AWG |
Sleeving | Fibreglass silicone mesh |
Performance specifications
Rotational speed (max.) | 1200 rpm |
Rotational speed @ 20% PWM | 270 rpm |
Acoustical noise (max.) | 18.1 dB(A) |
Airflow (max.) | 100.6 m³/h (59.21 CFM) |
Static pressure (max.) | 1.31 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 |  |
Pin 1 | Black: Ground (GND) |
Pin 2 | Yellow: Voltage (Vcc) |
Pin 3 | Green: RPM Signal |
Pin 4 | Blue: PWM Signal |
Input power (max) | 0.9 W |
Input current (max) | 0.075 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. |
Overvoltage protection | |
Overcurrent 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 | 180 x 170 x 34 mm |
Packaging weight (including product) | 240 g |
EAN | 4716123315285 |
UPC | 842431012371 |
Packaging unit | 20 pcs |
Packaging unit dimensions | 370 x 370 x 200 mm |
Packaging unit weight | 5.8 kg |