This is a brushless DC fan produced by Guangzhou Mega Technology, model 30x30x4mm-B. This fan uses a plastic shell and fan blades, with a flame retardant rating of UL94V-0, and has three bearing structures to choose from: ball, oil-containing, and hydraulic. Its operating voltage range is 1.9V-6V, the rated voltage is 5V, the rated current is 0.1A, and the rated input power is 0.5W. At rated voltage, the speed can reach 11000RPM, the maximum air volume is 0.73CFM, the maximum static pressure is 9.57mmH2O, and the noise is 28dB-A. The fan weighs only 5g and measures 30x30x4mm, making it suitable for various occasions where heat dissipation is required.

Parameter Value

1. Product Type: DC brushless fan
2. Size: 30x30x4mm
3. Bearing Type: Ball，Sleeve，HY
4. Frame Material: plastic (UL94V-0)
5. Blade Material: plastic (UL94V-0)
6. Weight:5g
7. Rated Voltage: 5V
8. Operating Voltage Range: 1.9-6（5V）
9. Rated Current: 0.1A
10. Rated Input Power:0.5W
11. Speed: 11000RPM
12. Air Flow:0.73CFM
13. Maximum Air Pressure: 9.57mmH2O
14. Noise Level: 28.6dB-A

Key Features

Key Features:

1. DC Brushless Fan: Utilizes a DC motor and brushless technology, offering higher efficiency, longer lifespan, and lower noise compared to traditional AC fans.
2. Compact Size: The 30x30x4mm dimensions are very small, and the weight is only 5 grams, making it easy to install in space-constrained devices.
3. Multiple Bearing Options: Provides ball, sleeve, and hydro bearing types, allowing users to choose the appropriate bearing type based on their needs.
4. High Performance: Under rated voltage, the speed can reach 11000 RPM, the maximum air flow is 0.73 CFM, and the maximum static pressure is 9.57 mmH2O, providing good heat dissipation performance.
5. Low Noise: The noise level is only 28 dB-A, making it very quiet during operation.
6. Safe and Reliable: Made of UL94V-0 flame-retardant plastic material, it has high safety.

Main Advantages:

1. High Efficiency and Energy Saving: DC brushless motors have a high energy efficiency ratio, which can effectively save energy.
2. Long Life: The brushless motor reduces mechanical friction and extends the service life of the fan.
3. Low Noise: Low operating noise provides a more comfortable user experience.
4. Stable Performance: It has stable speed and air volume output to ensure heat dissipation effect.
5. Easy to Install: Small size and light weight make it easy to install and fix.
6. High Cost Performance: Comprehensive performance is excellent, with high cost performance.

Main application scenarios:

1. Consumer Electronics:

1. Smart Wearable Devices: Such as smart watches, bracelets, etc. These devices have limited internal space and high requirements for heat dissipation, requiring micro, high-efficiency fans to maintain operating temperature.
2. Small Household Appliances: Such as mini humidifiers, small air purifiers, etc. These products are small in size and have high requirements for noise and fan size.
3. Network Devices: Such as routers, set-top boxes, etc., require stable heat dissipation to ensure long-term operation.
4. Digital Devices: Such as cameras, mobile power supplies, etc., have high internal component heat generation and require small fans for heat dissipation.
5. Computers and Peripherals:
6. Laptops: Although large laptops have dedicated fans, some ultra-thin laptops or mini PCs may need this small fan to assist in heat dissipation.
7. Mini Computer Hosts: Such as Intel NUC, Raspberry Pi, etc., are small in size and have limited heat dissipation space, requiring efficient small fans.
8. Graphics Card Heat Dissipation: Some low-power or ITX graphics cards may need small fans to enhance heat dissipation.
9. Industrial and Automation Equipment:
10. Small Industrial Control Machines: Small computers used for industrial control require stable and reliable heat dissipation.
11. Automation Equipment: Such as sensors, actuators, etc., generate heat during long-term operation and require fan heat dissipation.
12. LED Lighting Equipment: High-power LED lamps generate heat and require fan-assisted heat dissipation to extend their lifespan.
13. Medical Devices:
14. Small Medical Instruments: Some portable medical devices, such as blood pressure monitors, blood glucose meters, etc., may need small fans to ensure stable operation of internal components.
15. Other Areas:
16. Automotive Electronics: Electronic devices in cars, such as car navigation, entertainment systems, etc., need to adapt to harsh environments and have certain requirements for heat dissipation.
17. Drones: Drones have limited internal space and require lightweight and efficient fans for heat dissipation.

Our advantage
Guangzhou Mega Technology Co., Ltd. is located in Guangzhou, Guangdong Province. We benchmark against leading cooling fan manufacturers like Delta Electronics, Nidec Corporation, Sunon, Sanyo Denki, and Orion Fans. Offering AC, DC, and EC fans, we provide customized cooling solutions for various industrial and commercial applications. Our strong R&D and technical expertise ensure our products match top manufacturers’ performance at significantly lower prices.

We pride ourselves on delivering tailored solutions to meet unique client needs. Our team collaborates closely with customers to design products that optimize cooling performance, energy efficiency, and reliability. Whether for electronic devices, industrial machinery, or commercial systems, Guangzhou Mega Technology Co., Ltd. is dedicated to providing high-quality, cost-effective solutions that exceed expectations. Our commitment to innovation and customer satisfaction keeps us at the forefront of the cooling fan industry.