109L0812S402

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DC fans are widely used in computer cooling systems, automotive air conditioning systems, industrial control systems and so on. The 109l0812S402 is a common DC fan used in many industries, and this article will discuss its application field and working principle.

Application field

The 109l0812S402 is a 120mm DC fan designed for use in most computer cooling systems. It can provide cooling to the CPU, memory, and other components. It is also used in automotive air conditioning systems, industrial control systems, and even some home appliances. This fan\'s robust construction and large air volume make it an ideal choice for a wide range of applications.

The 109l0812S402 is designed to be compatible with most motherboards. It is also able to withstand high temperatures and has a low noise level. This DC fan also boasts a rugged design that is perfect for rough environments and can handle heavy usage without any problems.

Working Principle

The 109l0812S402 is a brushless DC fan, which means it is powered directly by electricity. This is different from traditional fans that use blades to move air. In a brushless DC fan, electrical current is sent through a motor, which creates a magnetic field. This magnetic field then interacts with magnets inside the fan to create movement. This movement forces air to move through the fan, which creates the cooling effect.

A controller is used to control the speed of the fan by changing the voltage of the current. This is done by either increasing or decreasing the voltage, which in turn increases or decreases the speed of the fan. This allows for precise control over the cooling of the fan.

Conclusion

The 109l0812S402 is a popular DC fan used in many industries due to its robust construction and large air volume. It is designed to be compatible with most motherboards and can perform well in high temperature and harsh environments. The fan is powered by a brushless DC motor, which is controlled by a controller to adjust the speed. It is ideal for a wide range of applications, providing reliable cooling performance.

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