5V DC Miniature Fan (e.g., 3010 / 4010 cooling fan)

A 5V DC Miniature Fan (e.g., 3010 / 4010 cooling fan) is a compact, brushless DC electromechanical cooling fan designed to dissipate heat from microcontrollers, motor drivers, and electronic components in hobbyist and prototype setups.

Product Description

• Core Function: Operates as an active cooling device, pulling or pushing air across heat-sensitive components (such as motor drivers, voltage regulators, or heat sinks) to prevent thermal overload.

• Operating Voltage: Fully compatible with 5V DC power rails (commonly driven directly from a USB port, microcontroller 5V pin, or transistor/MOSFET switch).

• Brushless Design: Utilizes a brushless DC motor mechanism for quiet, reliable, and maintenance-free continuous operation.

• Mounting & Size: Usually comes in standard miniature form factors (such as $30\text{mm}\times 30\text{mm}\times 10\text{mm}$ or $40\text{mm}\times 40\text{mm}\times 10\text{mm}$) with pre-drilled screw mounting holes on the plastic frame.

Key Specifications

• Operating Voltage Range: 4.5V to 5.5V DC (also available in 12V variants).

• Current Consumption: Typically 0.08A to 0.15A (low power draw, safe for direct logic-rail or regulated supplies).

• Connection: Features 2-wire leads (Red for VCC/Positive, Black for Ground/Negative), often terminated with a 2-pin JST or Dupont connector.

Price Range

• Miniature 5V Fans (3010 / 4010 size): Typically costs between  per piece at Indian component retailers (such as Robu, Robocraze, and Quartz Components).

Visual Reference & How to Download the Image

• Search Keyword for Image/Downloads: 5V DC cooling fan 3010 or miniature 5V fan 4010.

• Where to find & save the image: You can easily view, right-click, and save a clean product photo by searching 5V DC fan on component storefronts like Robu.in or Quartz Components.

Usage Tips

• Switching via MOSFET: If you want your STM32 microcontroller to automatically turn the fan ON or OFF based on temperature readings (like with your NTC thermistor), connect it through a logic-level MOSFET module rather than directly driving it from a microcontroller I/O pin.