Description
The NMB 1611RL-04W-B46-B52 is a very high-performance 12V DC axial cooling fan from NMB Technologies Corporation, measuring 40mm x 40mm x 28mm. Operating at a rated current of 0.13A (1.56W), this fan is engineered for demanding thermal management challenges in highly space-constrained environments. It achieves an astonishing speed of 18,000 RPM, delivering an exceptional airflow of 19.4 CFM and a very high static pressure of 1.61 inch-H2O, making it capable of pushing air through highly restrictive pathways. Equipped with durable ball bearings, it boasts an extremely long operational life of 180,000 hours (MTTF) or 80,000 hours (L10 at 25°C). The fan utilizes 4-wire leads, providing both PWM control for precise speed adjustment and a speed sensor for real-time monitoring of fan status, along with locked rotor protection and auto-restart, making it an indispensable solution for cooling densely packed server components, high-power embedded systems, or specialized industrial equipment where maximum cooling performance in a small footprint is paramount, despite its high noise level of 55.0 dBA.
Model Number: 1611RL-04W-B46-B52
Manufacturer: NMB Technologies Corporation
Type: DC Axial Cooling Fan
Dimensions: 40mm x 40mm x 28mm
Rated Voltage: 12V DC
Rated Current: 0.13A
Rated Power: 1.56W
Speed: 18,000 RPM
Airflow: 19.4 CFM / 0.55 m³/min
Static Pressure: 1.61 inch-H2O / 401 Pa
Noise Level: 55.0 dBA
Connector: 4-Wire Leads
Bearing Type: Ball Bearing
Life Expectancy: 180,000 hours (MTTF) / 80,000 hours (L10 at 25°C)
Operating Temperature: -10°C to 70°C
Frame Material: Plastic
Impeller Material: Plastic
Features: PWM Control, Speed Sensor, Locked Rotor Protection, Auto Restart
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