EFB0412VHD

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DC Fans

DC fans are used to move cooling air across a variety of industrial, automotive, and electronic devices. They are most often used in small spaces, such as the inside of a computer case, the insides of appliances, or in other confined areas where air movement is necessary. Unlike standard AC fans, DC fans have unprecedented levels of control. They range from small, 3-inch form factors all the way up to industrial sized fans. The radial form factors up to 11-inch, and the longer axial form factors up to 24-inch are easily found.

EFB0412VHD Application Field and Working Principle

The EFB0412VHD is a small 3-inch DC fan designed for computers, appliances, and other confined spaces. It has a 3-pin DC connector, which allows for direct operation from a DC power source, such as a car or marine battery, allowing more control over the voltage that runs the motor. This allows for greater efficiency, a longer life, and quieter running. The motor runs on 12V DC current. The motor itself is a brushless DC motor with a rated speed of 4200 RPM.

The EFB0412VHD features a curved fan blade design that allows it to move more air than standard axial fans while using less power. It is designed to draw in more air than it exhausts in order to maximize the cooling effect, while minimizing the sound level. The fan has built-in fan guards that protect both itself and the equipment from any debris that may have been drawn in. It has a rated operating temperature of -20°C and up to 80°C.

The working principle of the EFB0412VHD is the same as any other DC fan, using an internal electric motor to rotate the fan blades. The electric motor is powered by the voltage supplied from the DC power source, causing it to rotate. This rotational force is then transferred to the fan blades, creating a vortex of air as they spin. This vortex of air is then forced outward, drawing air across any nearby heat sinks or other components that need cooling.

The EFB0412VHD is a great choice for use in embedded applications that require a small amount of cooling while being very quiet. It has also been designed for use in tight places, such as in shelving in AV cabinets. The fan connects very easily to the power source and can be controlled with a simple voltage switch.

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