


50x50x15mm Brushless DC Axial Fan Ball Bearing
A Comprehensive Cooling Solution: The 50x50x15mm Brushless DC Fan
In the dynamic landscape of electronic devices, where components become more potent and compact with each iteration, proficient thermal management is no longer an optional feature—it is a foundational necessity. Excessive heat can result in performance degradation, a shortened component lifespan, and even catastrophic system failure. The 50x50x15mm Brushless DC fan is engineered to address this critical need, representing a masterclass in cooling technology that provides an effective, dependable, and intelligent airflow solution within a highly compact form factor. Designed for versatility and longevity, this fan is an ideal choice for a diverse range of applications, from high-performance computing and 3D printing to industrial automation and custom electronic projects.
Compact Design, Uncompromised Performance
The first notable characteristic of this DC fan is its standard 50x50mm frame, complemented by a slim 15mm profile. This minimal footprint makes it an exceptional solution for space-constrained environments where every millimeter is crucial. It can be seamlessly incorporated into small form factor (SFF) PCs, blade servers, network switches, DVRs, and embedded systems without requiring a major redesign of the chassis. The mounting holes follow a standard 40x40mm spacing, which ensures drop-in compatibility with many existing products.
Despite its diminutive size, this DC fan is a heavyweight in terms of performance. Depending on the specific model chosen, it is capable of producing impressive airflow rates of up to 19.34 Cubic Feet per Minute (CFM). This substantial volume of airflow is essential for rapidly evacuating heat from critical components such as CPUs, GPUs, and power regulators. Furthermore, it boasts a maximum static pressure of up to 10.54 mmH₂O. This high static pressure is vital for applications where air must be driven through restrictive pathways, such as dense heatsinks, dust filters, or narrow ventilation channels.
Engineered for Longevity and Reliability
A cooling fan is often one of the few mechanical parts in an electronic device, rendering its reliability paramount. This DC fan is constructed to last, starting with its premium dual ball bearing system. In contrast to traditional sleeve bearings, ball bearings offer a significantly longer operational lifespan, superior performance at higher temperatures, and the flexibility to be mounted in any orientation without affecting durability. This makes them the definitive choice for critical applications and equipment that must operate continuously.
The fan's physical construction is equally resilient. Both its frame and impeller are made from a Thermal Plastic that meets the UL 94V-0 flammability standard. This is a crucial safety feature, certifying that the material is self-extinguishing and will not propagate a fire. To protect its internal electronics, the fan's motor includes two essential safety mechanisms: Impedance Protection, which ensures the motor will not burn out if the blades are blocked, and Reverse Polarity Protection, which prevents damage to the fan's circuitry if power is connected incorrectly.
Ultimate Versatility with Multiple Voltages and Advanced Features
Understanding that different applications have unique power needs, this DC fan is offered in three standard DC voltages: 5V, 12V, and 24V.
5V models are perfect for USB-powered devices and low-power electronics.
12V models are the standard for computer cooling and a wide array of general-purpose applications.
24V models are tailored for more demanding hardware, including 3D printers and industrial control cabinets.
Beyond voltage options, the fan can be equipped with a suite of advanced features that enable intelligent system monitoring and control:
Auto Restart: A standard feature that enhances reliability by automatically attempting to restart the fan if its rotation is temporarily halted.
PWM (Pulse Width Modulation) Control: For applications requiring dynamic performance, the PWM feature allows a motherboard or fan controller to precisely adjust the fan's speed.
FG (Frequency Generator) Output: Also known as a tachometer signal, the FG output provides real-time feedback on the fan's rotational speed.
RD (Rotation Detector) Alarm: The RD signal offers a simpler, binary form of fan monitoring, sending a "high" signal when the fan is running and a "low" signal when it has stopped.
IP Rating: For systems deployed in harsh environments, the fan can be manufactured with an official Ingress Protection (IP) rating, providing certified defense against the intrusion of dust and moisture.
In conclusion, the 50x50x15mm Brushless DC fan is more than just a component; it is a comprehensive, high-performance cooling system. By merging a compact, industry-standard form factor with potent airflow, exceptional static pressure, and durable ball-bearing construction, it meets the core requirements of any thermal management challenge. Its availability in multiple voltages and with an array of advanced control and monitoring features makes it one of the most versatile and intelligent cooling solutions on the market, perfectly suited to empower the next generation of electronic devices.