With the advancement of technology, the technology and performance of cooling fans are also constantly developing and improving. At present, the specifications and dimensions of heat dissipation fans range from a few millimeters to several hundred millimeters, and there are various voltage options, such as 5V, 12V, 24V, etc. In addition, there are also various shapes of heat dissipation fans, such as square, circular, olive shaped, etc.
In modern home life, technological progress has not only changed our way of life, but also improved our quality of life. The emergence of smart toilets is undoubtedly a major innovation in the bathroom field. They are equipped with heating seats, warm air drying, automatic flushing and other functions, making users feel extremely comfortable during use while effectively reducing the risk of infection caused by unclean bathroom facilities.
In the fast-paced modern life, the emergence of dishwashers has brought about earth shattering changes in our home life. Washing dishes is a tedious and time-consuming task that requires us to personally clean every dish, dry it, and store it in the sun.
The emergence of drones has provided us with new ways and perspectives to understand things. In the past decade, their applications have become increasingly popular. The express delivery industry, film and television shooting, monitoring and inspection, transportation, agriculture, forestry, police security, surveying and mapping, and other fields have shown a significant increase in demand for drones.
Date: 2026.04.28
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The Xingdong DC Axial Fan 4020 is a 40×40×20mm cooling fan, ideal for humidifiers and other home appliances where space and noise are critical. Its compact design and efficient heat dissipation effectively solve the problem of heat buildup in the humidifier's internal atomizing module and power board during prolonged operation.
The following are the fan's core specifications and advantages:
Compact Design, Easy Integration: At only 20mm thick and weighing approximately 23g, it seamlessly integrates into the ventilation holes on the side or bottom of the humidifier, requiring no modifications to the casing.
Efficient Heat Dissipation, Powerful Performance: With a speed of 5000-7500 RPM, airflow of 5.70-8.60 CFM, and air pressure of 2.54-5.58 mmH₂O, it quickly removes heat generated by the atomizing module and circuit board, ensuring stable atomization efficiency.
Quiet Operation, User-Friendly Experience: Optimized fan blade and bearing design results in operating noise as low as 25.5dBA, ensuring the humidifier won't disturb users in quiet environments such as bedrooms and offices.
Intelligent, durable, safe, and reliable: Supports a wide voltage range of 5V-12V and PWM intelligent speed control, dynamically adjusting the speed according to temperature; utilizes a PC+fiberglass frame and dual ball bearings, with an operating temperature range of -10℃ to 70℃, high protection level, and strong durability.
The Xingdong DC axial fan 4020, with its small size, strong heat dissipation, and low noise, has become a reliable cooling choice for compact devices such as atomizers.
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