12V 8025 DC Cooling Fan – 80×80×25mm 3-Inch

Description

The 12V 8025 DC Cooling Fan – 80×80×25mm 3-Inch is a high-grade, precision-tested electronic component designed for reliable performance in prototyping, education, industrial control, and custom hardware engineering.

🔹 Key Features

• •With an 80×80mm fan size and 25mm thickness, it is suitable for applications requiring moderate airflow in compact spaces
• •Operating from a 12V DC power supply, the fan runs at approximately 2600 RPM and provides around 30.7 CFM airflow
• •Its compact design and relatively low noise level make it suitable for continuous cooling of enclosed electronic equipment and custom projects
• •Make sure the power supply is capable of providing the required current before operating the fan
• •Do not exceed the specified operating voltage
• •Ensure correct polarity when connecting the wires

🔹 Technical Specifications

🔹 Pin Configuration & Wiring

// Safe Motor & Air Pump PWM Speed Control using L298N Driver
// Tested for Arduino Uno & ESP32 (with ESP32 ledcWrite)

#define ENA_PIN 9   // Connect to L298N ENA (PWM speed control)
#define IN1_PIN 8   // Connect to L298N IN1 (Direction / ON)
#define IN2_PIN 7   // Connect to L298N IN2 (Direction / OFF)

void setup() {
  pinMode(ENA_PIN, OUTPUT);
  pinMode(IN1_PIN, OUTPUT);
  pinMode(IN2_PIN, OUTPUT);
  
  // Initialize driver in OFF state
  digitalWrite(IN1_PIN, LOW);
  digitalWrite(IN2_PIN, LOW);
  analogWrite(ENA_PIN, 0);
}

void loop() {
  // Soft start: ramp up speed to prevent inrush current spikes
  digitalWrite(IN1_PIN, HIGH);
  digitalWrite(IN2_PIN, LOW);
  
  for (int speed = 100; speed <= 255; speed += 15) {
    analogWrite(ENA_PIN, speed);
    delay(50);
  }
  
  delay(3000); // Run motor at full speed for 3 seconds
  
  // Coast to stop
  digitalWrite(IN1_PIN, LOW);
  digitalWrite(IN2_PIN, LOW);
  analogWrite(ENA_PIN, 0);
  
  delay(2000); // Pause for 2 seconds
}

🔹 Applications

This component is engineered and suitable for:

• •DC motor speed regulation and soft start control
• •Robotics drive train and wheel speed adjustment
• •Cooling fans, exhaust blowers, and thermal management
• •Miniature water pumps and aquarium aeration systems
• •DIY electronics projects, automation circuits, and laboratory benches

🔹 Package Includes

• ✓⚠️ Precautions Use only a suitable 12V DC power supply. Do not exceed the specified operating voltage. Ensure correct polarity when connecting the wires. Keep the fan blades free from obstruction. Do not touch the rotating blades while the fan is operating. Ensure adequate ventilation around the fan inlet and outlet. Keep away from excessive moisture and dust. Secure the fan properly before operation.