
NF-A12x25 FLX
High-efficiency quiet 120mm fan
Pioneering design
With Sterrox® LCP & record tight 0.5mm tip clearance
Highly optimised P/Q curve
For outstanding performance in all applications
3-pin FLX version
Provides 2000/1700/1350rpm speed settings via Low-Noise Adaptors
Key specifications
| Size (Form factor) | 120 x 120 x 25 mm (square) | 
| Speed range | 0 – 2000 rpm | 
| Airflow (max.) | 102.1 m³/h (60.09 CFM) | 
| Acoustical noise (max.) | 22.6 dB(A) | 
| Static pressure (max.) | 2.34 mm H₂O | 
| Rated voltage | 12 V | 
| Input power (typical) | 1.32 W | 
| Connector | 3-pin | 
| Colour | Brown | 
| Warranty | 6 years | 
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 | 200 g | 
| Material frame | PBT ABS GF30 | 
| Material impeller | LCP 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 | 2510-3PIN (or equal) | 
| Cable length | 200 mm | 
| Cable length with extension cable (included) | 500 mm | 
| Wire | 24 AWG | 
| Sleeving | Fibreglass silicone mesh | 
| Included adaptors | P-ATA (Molex) | 
Performance specifications
| Rotational speed (max.) | 2000 rpm | 
| Rotational speed with LNA (max.) | 1700 rpm | 
| Rotational speed with ULNA (max.) | 1350 rpm | 
| Acoustical noise (max.) | 22.6 dB(A) | 
| Acoustical noise with LNA (max.) | 18.8 dB(A) | 
| Acoustical noise with ULNA (max.) | 14.2 dB(A) | 
| Airflow (max.) | 102.1 m³/h (60.09 CFM) | 
| Airflow with LNA (max.) | 84.5 m³/h (49.73 CFM) | 
| Airflow with ULNA (max.) | 64.5 m³/h (37.96 CFM) | 
| Static pressure (max.) | 2.34 mm H₂O | 
| Static pressure with LNA (max.) | 1.65 mm H₂O | 
| Static pressure with ULNA (max.) | 1.05 mm H₂O | 
Electrical specifications
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 +60°C | 
| Operating humidity | 15 – 90 % | 
| Storage temperature | -20°C to +65°C | 
| Storage humidity |  – 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 | 210 x 150 x 34 mm | 
| Packaging weight (including product) | 362 g | 
| EAN | 9010018100389 | 
| UPC | 841501110382 | 
| Packaging unit | 36 pcs | 
| Packaging unit dimensions | 375 x 380 x 380 mm | 
| Packaging unit weight | 14.64 kg | 














