Here is some information about the 3615RL-05W-B39 cooling fan:

Model: The 3615RL-05W-B39 is a model within NMB's 3615RL Series of cooling fans.

Dimensions: The fan is square-shaped and typically measures 92mm x 92mm x 38mm. The dimensions are important to consider when determining if it fits within the available space in a particular application.

Voltage and Power: The fan is designed to operate at a specific voltage, which can vary depending on the specific model/configuration. The "05W" in the model number suggests that this fan operates at 5 volts and consumes a certain power level. However, it's always recommended to check the datasheet or product specifications for accurate voltage and power details.

Airflow and Noise: The 3615RL-05W-B39 fan provides a specific airflow rating, measured in cubic feet per minute (CFM) or cubic meters per hour (m³/h). Additionally, the fan's noise level, often given in decibels (dB), indicates its noise output during operation.

Connection: The fan typically comes with wires or connectors for direct connection to a power source, such as a motherboard or external power supply.

Bearing Type: The 3615RL-05W-B39 fan may utilize different bearing types, such as ball bearings or sleeve bearings, which affect the fan's durability, lifespan, and noise level.

Mounting: The fan is designed for easy installation and usually includes mounting holes or brackets for secure attachment to a suitable surface or enclosure.