OD4020-24HSS01A

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DC Fans

The OD4020-24HSS01A is a type of direct current (DC) fan, which means the fan is powered by DC voltage and its speed is determined by the voltage applied to it. These fans are typically used to provide cooling in a wide range of applications, from cooling electronics such as laptops and cell phones, to helping dissipate heat in high-powered electronics such as CPUs and GPUs. This type of fan is increasingly popular due to its wide variety of uses and high performance.

A DC fan is comprised of several components including a motor, a shroud, a fan blade, a bearing and some wiring/connectors. The motor is the driving force of the fan and generates the rotational energy needed to power the fan blades. The motor is typically made up of a rotor and stator (an electromagnet) and generates a rotating magnetic field which causes the fan blades to spin. The shroud (rarely used these days) is a cylinder shaped cover that goes around the fan assembly and helps direct airflow within the application. The fan blades draw in air from the outside and then expel it back out.

The bearing is a critical component of all DC fans as it ensures smooth rotation of the fan blades and also helps reduce vibration noise. The bearing is typically sealed to prevent air and dirt from entering, resulting in a lower noise level and improved longevity of the fan. Additionally, some DC fans come with additional technology such as ultra low noise bearing, or hydraulic bearing, to reduce noise levels even further, making them ideal for quieter applications.

The OD4020-24HSS01A is a 40x20mm two wire DC fan with Sleeve bearing. It has a maximum speed of 5800 RPM and a maximum airflow of 17.1 CFM. This fan is extremely energy efficient and is UL, CE, and RoHS certified. It has an operating voltage range of 4.5 to 13.8 VDC and a guaranteed life of either 30K hours or 50K hours, depending on the model. This fan is ideal for cooling CPUs, GPUs, home appliances, radiators and other small electronics.

The working principle of the OD4020-24HSS01A is simple. When the fan is powered on, the voltage applied to it causes a rotating magnetic field to be generated which causes the fan blades to spin. As the fan blades spin, they draw in air from the outside and expel it back out, which creates a cooling effect. The fan’s motor and bearing help ensure that the fan blades are spinning smoothly and quietly.

In summary, the OD4020-24HSS01A is a type of DC fan that is used in a wide variety of applications. It is extremely efficient and is UL, CE, and RoHS certified. Its working principle is simple – when powered on, the voltage causes the fan’s motor to generate a rotating magnetic field which causes the fan blades to spin and drive airflow. This fan is ideal for cooling CPUs, GPUs, home appliances, radiators and other small electronics.

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