DC Fans

DC fans are a type of fan that are designed to operate with direct current. This type of fan is primarily used with other electronic devices such as computers and home appliances. These fans feature a motor, impeller and case which are all designed to operate on DC power. DC fans have some distinct advantages over AC fans.

9GT0812P4S001

The 9GT0812P4S001 is a brushless DC fan, which is commonly used in computer systems, especially with those that are high-performance. It features a dual ball bearing system, which helps to provide extended life. The airflow is also improved due to its higher speed and static pressure. The 9GT0812P4S001 has a maximum RPM of 3100, with an air flow of 49.32CFM and static pressure of 2.5mmH2O. Furthermore, this fan has a noise level of 38.9 dB(A).

Application Field

Due to their high-performance and low noise operation, DC fans are commonly used in computer systems. This includes CPU cooling systems for desktop computers, as well as for laptops and other types of gaming PCs which require an efficient cooling system. DC fans are also used for other applications such as air conditioning units, ventilation systems, and in industrial cooling systems.

Working Principle

The working principle behind DC fans is that they use a direct current to create a rotating magnetic field. This is created using an impeller, which is mounted on an electric motor. The motor is connected to an electric power source and when the motor is switched on, it generates a rotating magnetic field. This field interacts with the permanent magnets on the impeller, causing it to rotate. As the impeller spins, it draws air through the fan, pushing it out the other side. This is how air is moved through the fan, which helps to cool the computer or other device it is mounted to.

Advantages

DC fans offer several advantages over AC fans. Firstly, they are generally more efficient as they require less voltage and draw less current. This lowers the running costs and allows the fan to run at higher speeds with less power. DC fans also generate less noise than their AC counterparts, due to the way they are designed. Additionally, they have a longer lifespan since the motors are sealed and require less maintenance.

Limitations

DC fans are limited by their power source. They require a direct current in order to operate, which can be difficult to find in some locations. Furthermore, they are more expensive than AC fans due to their higher-end components.

The 9GT0812P4S001 is a brushless DC fan that is ideal for use in computer systems. Its high-performance and low noise operation makes it an excellent choice for cooling computers. It also features a dual ball bearing system, which helps to provide a longer lifespan. As the fan requires a direct current to operate, it is important to ensure the power source is compatible.