This is an MG7020H series DC centrifugal fan manufactured by Guangzhou Mega Technology Co., Ltd., with dimensions of Ø70x20mm. It features dual ball bearings, a UL94V-0 rated flame-retardant aluminum frame, and plastic impeller blades, weighing 90g. All models in the series have a speed of 9200 RPM and a maximum airflow of 1.21 CFM. The product information includes a P@Q curve diagram, detailed dimension drawings, and model coding rules to facilitate user selection and design based on their specific needs. It is a compact, moderately performing, safe, and reliable centrifugal fan suitable for heat dissipation in various electronic devices.

Parameter Value

Product Type: DC centrifugal blower

1. Size: Ø70x20mm
2. Bearing Type: two ball
3. Frame Material: Aluminum (UL94V-0)
4. Blade Material: Plastic (UL94V-0)
5. Weight:90g
6. Rated Voltage: 12V,24V,48V
7. Voltage Range: 7.5-13.5V（12V）;18-26.5V(24V);36-54V(48V)
8. Rated Current:0.5-1A
9. Rated Input Power:12W
10. Speed:9200RPM
11. Air Flow:42.8FM
12. Maximum Air Pressure:48.1mH2O
13. Noise Level:60.8dB-A

Key Features and Advantages:

Key Features:

1. Compact Size: The Ø70x20mm dimensions make it ideal for space-constrained applications.
2. DC Power Supply: Powered by DC, it is easily integrated into various electronic devices.
3. Dual Ball Bearings: The dual ball bearing design, compared to sleeve bearings, offers a longer lifespan, lower noise, and higher reliability, making it more suitable for continuous operation.
4. Flame-Retardant Materials: Both the frame and impeller are made of UL94V-0 rated flame-retardant materials, improving product safety.
5. Multiple Voltage Options: Offers models with 12V, 24V, and 48V rated voltages to adapt to different power systems.
6. Detailed Parameters and Drawings: Provides P@Q curves, detailed dimension drawings, and coding rules for easy user selection and design.

Key Advantages:

1. High Reliability: The choice of dual ball bearings and high-quality materials ensures product reliability and durability.
2. Good Safety: The use of flame-retardant materials reduces the risk of fire.
3. Strong Applicability: Multiple voltage options and compact size allow it to be used in various devices and scenarios.
4. Stable Performance: The provided P@Q curves help users choose the appropriate model based on their actual needs to achieve the best heat dissipation effect.
5. Easy Integration: Detailed dimension drawings and coding rules facilitate product design and integration for users.

Applications

1. Communication Equipment:

1. Small Communication Base Stations/Repeaters: These devices often require heat dissipation within limited spaces, making the compact size and reliability of the MG7020H series a good fit.
2. Network Switches/Routers: Especially small desktop or wall-mounted switches and routers, due to volume constraints, require small and efficient cooling fans.
3. Optical Transceivers/Optical Modules: These modules generate heat during high-speed data transmission, requiring effective heat dissipation to ensure stable performance.

2. Industrial Control Equipment:

1. Programmable Logic Controllers (PLCs): PLCs are typically installed in control cabinets and require reliable cooling to ensure long-term stable operation.
2. Human-Machine Interfaces (HMIs): HMI devices need to operate for extended periods in industrial environments, making heat dissipation crucial for their stability and lifespan.
3. Variable Frequency Drives (VFDs)/Servo Drives: These devices generate significant heat during operation and require effective cooling solutions.
4. Industrial Computers/Embedded Systems: Computers and embedded systems used for industrial control often operate in harsh environments, making reliable cooling essential.

3. Medical Equipment:

1. Small Medical Instruments: Such as portable blood pressure monitors and blood glucose meters, have high requirements for size and noise.
2. Monitoring Equipment: Such as electrocardiographs (ECGs) and pulse oximeters, require long-term stable operation, making heat dissipation crucial.
3. Diagnostic Equipment: Such as ultrasound machines and X-ray machines, require effective heat dissipation for their internal electronic components.

4. Automotive Electronics:

1. In-Vehicle Navigation/Entertainment Systems: These systems generate heat during extended use and require cooling.
2. Dashcams/ADAS Systems: These systems are typically installed inside vehicles with limited space, requiring small and efficient cooling fans.
3. Automotive Electronic Control Units (ECUs): ECUs are core control components in vehicles and require reliable cooling to ensure proper operation.

5. Other Electronic Devices:

1. Security Monitoring Equipment: Such as surveillance cameras and video recorders, require long-term stable operation.
2. LED Lighting Equipment: High-power LED lights generate heat, requiring heat dissipation to improve lifespan and efficiency.
3. Consumer Electronics: Such as projectors, set-top boxes, and small servers.
4. Charging Piles/Power Adapters: High-power charging equipment generates heat and requires cooling to ensure safety and efficiency.

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.