5V Cooling Fan for Compact Electronics Projects
The 5V Cooling Fan is a small ventilation accessory for electronics enclosures and DIY assemblies. Its nominal 35mm frame size and 10mm thickness make it useful where installation space is limited.
With a stated power rating of 0.49W, this fan operates from a suitable 5V DC supply. It helps move air through an enclosure or around components. Actual cooling performance depends on the airflow path, ventilation openings and heat generated by your project.
Compact 35 × 10mm Size
A small fan can help add ventilation to a project box without taking up much space. This model is suited to installations designed around its dimensions and mounting arrangement.
Before fitting the fan, measure the available space and check the mounting-hole positions. Leave clearance for its blades, wiring and airflow. An unobstructed inlet and outlet help air move through the assembly.
Applications
Use the 5V Cooling Fan in compatible projects such as:
- Small electronics enclosures
- DIY ventilation assemblies
- Microcontroller project boxes
- Robotics and automation prototypes
- Student electronics projects
- Compact control-system housings
For components that produce substantial heat, assess whether a heatsink or a larger cooling solution is also required.
Technical Specifications
| Specification | Details |
|---|---|
| Product type | Compact cooling fan |
| Operating voltage | 5V DC |
| Stated power rating | 0.49W |
| Nominal frame size | 35mm / 3.5cm |
| Nominal thickness | 10mm / 1cm |
| Calculated current at stated voltage and power | Approximately 98mA |
| Main function | Air circulation and enclosure ventilation |
The calculated current is based on 0.49W ÷ 5V. It does not establish the fan’s startup current.
Power and Connection Guidance
Connect the fan to a suitable regulated 5V DC supply. Check polarity markings or the manufacturer’s wiring information before making connections. The supply should have enough capacity for the fan’s startup demand and any other connected devices.
If you want to switch the fan using an Arduino, ESP32 or another microcontroller, use an appropriate driver circuit. Do not power the fan directly from a GPIO pin.
Installation Tips
Secure the fan using mounting hardware that matches its holes and your enclosure. Keep loose wires away from the rotating blades and check that the fan can spin freely.
If the housing has airflow-direction arrows, use them to position the fan. Arrange ventilation openings so air can enter and leave the enclosure. After installation, check airflow and component temperatures during normal operation.
5V Cooling Fan in Pakistan
Mekatroniks offers this 5V Cooling Fan for students, hobbyists and electronics developers in Pakistan. Its compact dimensions make it a useful option for projects needing a small ventilation fan.
Check the voltage, mounting arrangement and cooling requirements against your assembly before ordering.





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