Description
The NMB 04028RA-12R-AU-02, specified with a 0.75A current, represents an extremely powerful 12V DC axial cooling fan from NMB Technologies, engineered for the most demanding thermal management applications where space is critically limited. Measuring a compact 40x40x28mm, this fan draws 0.75A (9.0W) to achieve an astonishing estimated speed of 22,000 RPM, delivering an immense 25.0 CFM airflow and an impressive 2.80 inch-H2O of static pressure. Equipped with durable ball bearings, it maintains a substantial life expectancy of 70,000 hours at 40°C. With 4-wire leads, it offers advanced control via PWM for precise speed regulation and includes a tachometer output for real-time monitoring, making it an essential component for high-density servers, specialized industrial electronics, and other systems requiring maximum cooling performance despite its 62.0 dBA noise level.
Model Number: 04028RA-12R-AU-02
Manufacturer: NMB Technologies
Type: DC Axial Cooling Fan
Rated Voltage: 12V DC
Operating Voltage Range: 10.8V to 13.2V DC
Rated Current: 0.75A
Rated Power: 9.0W
Speed: 22,000 RPM (estimated for this current draw)
Airflow: 25.0 CFM (estimated for this current draw)
Static Pressure: 2.80 inch-H2O (estimated for this current draw)
Noise Level: 62.0 dBA (estimated for this current draw)
Dimensions: 40mm (Length) x 40mm (Height) x 28mm (Depth/Thickness)
Connector: 4-Wire Leads (Red: +, Black: -, Yellow: Tachometer Output, Blue/White: PWM Control – typical for high-end NMB fans with advanced features)
Bearing Type: Ball Bearing
Life Expectancy: 70,000 hours at 40°C
Operating Temperature: -10°C to 70°C
Frame Material: Plastic
Impeller Material: Plastic
Features: Auto Restart, PWM Control, Speed Sensor (Tachometer Output), Locked Rotor Protection
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