SFF21A Sony 12VDC 120x120x25mm FDB Silent Axial Fan

Description

The Sony SFF21A is a precision-engineered Axial Fan designed for applications requiring minimal acoustic signatures and high reliability. Utilizing Sony’s proprietary S-FDB (Fluid Dynamic Bearing) technology, this unit eliminates mechanical friction inherent in traditional ball bearing designs, resulting in a sealed oil structure that significantly extends operational lifespan and maintains thermal impedance stability. The aerodynamic blade geometry is optimized for low-turbulence airflow, ensuring efficient heat dissipation while maintaining structural rigidity under continuous operation. This 12VDC cooling solution offers a superior balance between static pressure and noise generation, making it ideal for noise-sensitive electronic environments.

Model Number: SFF21A
Brand: Sony
Product Type: Axial Fan
Rated Voltage: 12VDC
Voltage Range: 10.2 – 13.8 VDC
Rated Current: 0.10 A
Power Input: 1.20 W
Rated Speed: 800 RPM
Bearing Type: S-FDB (Fluid Dynamic Bearing)
Max. Air Flow: 33.5 CFM (56.9 m³/h / 0.95 m³/min)
Max. Static Pressure: 0.65 mmH₂O (6.37 Pa / 0.025 inH₂O)
Noise Level: 8.7 dBA
Dimensions: 120x120x25mm
Weight: 160 g
Life Expectancy: 150,000 Hours at 25°C
Termination: 3-Wire Lead
Connector: 3-Pin Standard
Housing Material: PBT (UL94V-0)
Impeller Material: PBT (UL94V-0)
Operating Temperature: -10°C to +70°C
Safety Certifications: UL, cUL, TUV, CE

The SFF21A is specifically engineered for deployment in ultra-quiet computing environments and precision audio-visual equipment where acoustic interference must be minimized. Common integration points include home theater PC (HTPC) chassis, silent server racks, and high-fidelity audio recording workstations. The SFF21A provides consistent thermal management for sensitive components without introducing vibration or motor noise, ensuring optimal performance in medical instrumentation and laboratory analysis devices.

Additional information