EFB0405HHD

Power (Watts):	1.50W
Lifetime @ Temp.:	70000 Hrs @ 40°C
Material - Blade:	Plastic
Material - Frame:	Plastic
Voltage Range:	4.5 ~ 5.5VDC
Current Rating:	0.300A
Weight:	0.073 lb (33.11g)
Approvals:	CE, CSA, UL, VDE
Operating Temperature:	--
Ingress Protection:	--
Termination:	2 Wire Leads
RPM:	8200 RPM
Series:	EFB
Noise:	30.5 dB(A)
Features:	--
Fan Type:	Tubeaxial
Bearing Type:	Ball
Static Pressure:	0.354 in H2O (88.2 Pa)
Air Flow:	9.4 CFM (0.263m³/min)
Width:	20.00mm
Size / Dimension:	Square - 40mm L x 40mm H
Voltage - Rated:	5VDC
Part Status:	Active

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Introduction to EFB0405HHD DC FansDC fans, which stands for Direct Current fans, are low power motorized fans designed to drive air flows in electric and electronic applications. The EFB0405HHD DC fan is a highly efficient and affordable 4-pole fan. It is designed to provide improved cooling and increased energy savings for both residential and commercial applications.Applications of EFB0405HHD DC FansDC fans are extremely versatile and can be used in many different applications. In residential applications, the EFB0405HHD DC fan is ideal for ventilating attics and basements. It can also be used to move air through ventilation ducts in homes and other buildings. In commercial applications, the EFB0405HHD DC fan can be used for air circulation in warehouses, factories and other industrial buildings. It can also be used as a cooling fan in refrigeration units and other cooling systems.Working Principle of EFB0405HHD DC FansDC fans are powered by direct current electricity which is generated by a power source such as batteries or solar cells. The DC fan consists of a fan blade, a motor and a speed controller. When the power is supplied to the fan, the motor generates a rotating magnetic field which causes the fan blade to spin. The speed of the fan can be adjusted by changing the power supplied to the motor. The speed controller is used to adjust the voltage of the power supplied to the motor and thus regulate the speed of the fan.Advantages of EFB0405HHD DC FansThe main advantages of DC fans compared to AC (Alternating Current) fans are increased efficiency and lower energy consumption. Because of their direct current power source, DC fans have less power losses, thus reducing energy costs. Additionally, DC fans are often smaller and lighter than AC fans, making them more suited for applications where size and weight are a concern. In addition to their many advantages, DC fans also have a number of safety features that help protect people and equipment from overheating. The motor is designed to sense when it is over-stressed and automatically shut off to prevent damage. Additionally, the speed controller allows slow regulation of the fan speed to ensure that the fan is running at an optimal speed.ConclusionThe EFB0405HHD DC fan is a highly efficient and affordable 4-pole fan designed to provide improved cooling and increased energy savings for both residential and commercial applications. DC fans are powered by direct current electricity and consist of a fan blade, a motor and a speed controller. Their main advantages over AC fans are increased efficiency and lower energy consumption. Additionally, they have safety features to help prevent damage from overheating.

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