This is a product information of 75x75x25mm-A DC brushless blower produced by Guangzhou Mega Technology Co., Ltd. The blower provides three bearing options: ball, oil-containing and hydraulic. The frame and fan blades are made of plastic with a flame retardant grade of UL94V-0, weighing 65g, and passed CUS, CE and ROHS certification.

Parameter Value

Product Type: DC brushless blower fan

1. Size: 70x70x15mm
2. Bearing Type: Bearing、sleeve、HY
3. Frame Material: Plastic (UL94V-0)
4. Blade Material: Plastic (UL94V-0)
5. Weight:66g
6. Rated Voltage: 12V,24V
7. Voltage Range: 7.5-13.5V(12V);18-26.5(24V)
8. Rated Current:0.02-0.64A
9. Rated Input Power:0.48-7.68W
10. Speed:2000-4500RPM
11. Air Flow:5.77-13.9CFM
12. Maximum Air Pressure:3.65-30.97mH2O
13. Noise Level:31.70-51.70dB-A

Key Features and Advantages:

Main Features:

1. Compact size: The 75x75x25mm dimensions make it suitable for applications with limited space.
2. Lightweight design: Weighing only 65g, it is easy to integrate into various devices without significantly increasing the device’s weight.
3. Multiple bearing options: Offers three bearing types: ball bearings, sleeve bearings, and hydraulic bearings, allowing users to balance lifespan, noise, and cost according to their application needs.
4. Flame-retardant materials: Both the frame and impeller are made of UL94V-0 rated flame-retardant plastic, enhancing product safety.
5. Multiple voltage and performance specifications: Available in 12V and 24V rated voltages, and various performance specifications (distinguished by model suffixes like L/M/H/HH/VH/HV), catering to different application requirements.
6. Multiple certifications: Certified by CUS, CE, and RoHS, indicating compliance with US and European safety and environmental standards.
7. Provides P-Q curve (Pressure-Flow Curve): The image provides a curve showing the pressure change of the fan at different airflows (P@Q CURVE), making it convenient for users to select the appropriate model based on the actual operating point.

Main Advantages:

1. Flexibility and customizability: The choice of multiple bearing types, voltages, and performance specifications gives this blower high flexibility to meet various application requirements. The explanation of the model coding rules also suggests the possibility of customization options for specific customers.
2. Reliability and safety: The use of flame-retardant materials and compliance with multiple certifications ensure product reliability and safety.
3. Good performance range: The table data shows that this series of fans provides a certain range of choices in terms of airflow and air pressure, which can meet different heat dissipation and ventilation needs. For example, the VH/HV series usually provides higher airflow and air pressure at the same voltage.
4. Detailed technical information: The image provides relatively comprehensive technical information, including dimension drawings, performance parameter tables, and pressure-flow curves, making it easier for users to select and evaluate.

Applications

1.Heat dissipation for small electronic devices: Due to its compact size (75x75x25mm) and light weight (65g), this fan is very suitable for heat dissipation in space-constrained electronic devices.

1. Routers and network switches: Used for dissipating heat from chipsets and processors, maintaining stable device operation.
2. Set-top boxes and TV boxes: Reduces internal temperature, preventing overheating that can lead to crashes or performance degradation.
3. Small servers and Network Attached Storage (NAS) devices: Dissipates heat for hard drives, CPUs, and other critical components.
4. LED lighting equipment: Dissipates heat generated by LED beads, extending the lifespan of the lamps.
5. Surveillance cameras and security equipment: Ensures stable operation in various environments.

6. Laptop cooling pads: Assists in laptop heat dissipation, improving cooling efficiency.

1. Portable projectors: Dissipates heat from projector bulbs and other internal components.
2. VR/AR headsets: Reduces internal device temperature, providing a more comfortable user experience.
3. Wearable devices: Such as smartwatches and smart bracelets, used for heat dissipation and ventilation.

2.Medical equipment: Medical devices with certain requirements for noise and reliability.

1. Small medical instruments: Such as portable pulse oximeters and blood pressure monitors.
2. Medical carts and workstations: Used for heat dissipation and ventilation to ensure normal operation of equipment.
3. Diagnostic equipment: Such as small analyzers.

3.Industrial control equipment: Used in industrial environments requiring reliability and durability.

1. PLCs (Programmable Logic Controllers) and HMIs (Human Machine Interfaces): Dissipates heat from internal circuit boards and chips.
2. Industrial computers and embedded systems: Ensures stable operation in harsh environments.
3. Automation equipment and robots: Dissipates heat from drives, motors, and other critical components.

4.Automotive electronics: Suitable for electronic devices inside automobiles.

1. In-car navigation and infotainment systems: Dissipates heat from processors and other electronic components.
2. Dashcams and reversing camera systems: Ensures normal operation in high-temperature environments.
3. Electric vehicle Battery Management Systems (BMS): Dissipates heat from battery packs, improving battery life and safety.

5. Other applications:

1. 3D printers: Dissipates heat from stepper motors, heated beds, and other components.
2. Drones: Dissipates heat from motors and other electronic equipment.
3. Air purifiers and fresh air systems: Used for air circulation and filtration.

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.