The MF40201VX-1000U-G99 is a Sunon axial fan. This fan has a square frame measuring 40x40x20 millimeters, with a ball bearing motor and a free air flow of 18.9 CFM. It has a rated voltage of 12V and a rated current of 0.09A. It has an insulation rating of E class and a SELV (Safety Extra Low Voltage) rating. The noise level is specified at 24 dBA, and the fan has two leads connected to a 0.1 inch terminal block. It is designed for long-term operation in temperatures ranging from -10°C to 70°C and is RoHS compliant.