This is a miniature DC brushless blower manufactured by Guangzhou Mega Technology Co., Ltd., model 30x30x4mm-A Type. This series of fans is compact (30x30x4mm), lightweight (6g), made of flame-retardant plastic (UL94V-0), offers both sleeve and hydraulic bearing options, and has passed CUS, CE, and RoHS certifications. This miniature DC brushless blower is an efficient cooling solution suitable for space-constrained applications (such as small electronic devices).Parameter Value

Product Type: DC blower fan

1. Size: 30x30x4mm
2. Bearing Type: Bearing、sleeve、HY
3. Frame Material: Plastic (UL94V-0)
4. Blade Material: Plastic (UL94V-0)
5. Weight:6g
6. Rated Voltage: 2V,3V,5V
7. Voltage Range: 1.9-6V
8. Rated Current:0.03-0.07A
9. Rated Input Power: 0.06-0.35W
10. Speed:4300-11000RPM
11. Air Flow: 0.26-0.73CFM
12. Maximum Air Pressure:1.16-9.57mH2O
13. Noise Level:28.6,＜18dB-A

Key Features and Advantages:

Main Features:

1. Miniaturized Design: With dimensions of only 30x30x4mm, it is extremely compact and suitable for space-constrained applications.
2. Lightweight Design: Weighing only 6g, it will not add extra burden to the device.
3. Flame-Retardant Material: The frame and impeller are made of plastic with a UL94V-0 flame retardancy rating, improving product safety.
4. Multiple Bearing Options: Offers two bearing options: sleeve bearings and hydraulic (HY) bearings. Users can choose the appropriate bearing type based on specific needs. Hydraulic bearings generally have a longer lifespan and lower noise, but may also have a higher cost.
5. Multiple Voltage and Performance Options: Provides 3 different rated voltage models (5V, 3V, 2V), corresponding to different performance parameters, allowing users to choose the appropriate model based on actual needs.
6. Multiple Certifications: Certified by CUS, CE, and RoHS, meeting American, European, and environmental standards, ensuring product quality.

Main Advantages:

1. Efficient Heat Dissipation: Despite its small size, it can still provide a certain amount of airflow and air pressure, effectively removing heat generated by the device.
2. Low Power Consumption: DC brushless motors have high efficiency and low power consumption, which helps extend battery life (for portable devices).
3. Long Lifespan (depending on bearing type): Especially hydraulic bearings, which have a long service life, reducing replacement frequency and maintenance costs.
4. Low Noise (depending on the model and operating conditions): Some models (such as MG3004L03X) have very low noise (<16dB-A), suitable for noise-sensitive applications.
5. Easy to Install: Standardized dimensions make it easy to integrate into various devices.
6. Wide Range of Applications: Suitable for various applications such as small electronic devices, portable devices, medical equipment, communication equipment, etc.

Applications

1. Portable Electronic Devices:

1. Smartphones/Tablets: Used for internal heat dissipation, especially during high-performance processor operation, to maintain stable device performance and prevent overheating and throttling.
2. Wearable Devices: Such as smartwatches, smart bands, etc., used for internal heat dissipation to ensure comfort during long-term wear.
3. Portable Game Consoles/Handheld PCs: Dissipate heat for internal processors and displays, enhancing the gaming experience and device lifespan.
4. Power Banks/Portable Chargers: During high-power charging, internal circuits generate heat. Miniature fans can be used for auxiliary heat dissipation, improving charging efficiency and safety.
5. VR/AR Devices: Used for heat dissipation in head-mounted displays and other devices, reducing discomfort for the wearer.

2. Small Electronic Devices:

1. Network Communication Equipment: Such as routers, optical modems, set-top boxes, etc., used for heat dissipation of internal chips, ensuring stable network operation.
2. Surveillance Cameras/Security Equipment: Used for heat dissipation of internal circuits and image sensors, improving image quality and device reliability.
3. LED Lighting Equipment: Used for heat dissipation of LED light beads, extending the lifespan of LED lights.
4. Small Projectors/Micro Projectors: Used for heat dissipation of light sources and image processing chips, ensuring projection quality and stable device operation.

3. Medical Devices:

1. Portable Medical Testing Equipment: Such as blood glucose meters, blood pressure monitors, etc., used for heat dissipation of internal circuits, ensuring measurement accuracy and device reliability.
2. Small Medical Instruments: Such as ventilators, oxygen generators, etc., used for heat dissipation of critical components, ensuring safe and reliable device operation.

4. Industrial Control Equipment:

1. Small PLCs/Industrial PCs: Used for heat dissipation of internal circuits, ensuring stable operation of industrial control systems.
2. Sensors/Actuators: Some high-precision or high-power sensors and actuators generate heat during operation. Miniature fans can be used for auxiliary heat dissipation.

5. Automotive Electronics:

1. Car Navigation/Entertainment Systems: Used for heat dissipation of internal processors and displays.
2. Dashcams/Driving Recorders: Used for heat dissipation of internal chips, ensuring recording stability and clarity.

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.