Axial Fans: Type - DC Tubeaxial Fan; Voltage - Nominal - 12V DC; Air Flow - 15.19 CFM; Size - LxW - 40 x 40 mm (1.57 x 1.57"); Size - Depth - 28 mm (1.10"); Noise Level - dB - 44 dB; Bearing - Ball Bearing; Termination Type - Wire Lead; Material - Housing - Nonmetallic; Material - Impeller - Nonmetallic; Temperature Max - 60 deg C (140 deg F); Temperature Min - -10 deg C (14 deg F); Voltage Range - 5.5-14V DC; Current Draw - 0.24A; Motor - Brushless, Thermally Protected; Additional Information - Speed: 10300 RPM, Housing and Impeller Material: UL94V-0 PBT, Housing Style: Rib; Manufacturer Series - MD4028 Series