The CFM-4028BG-1250-617-20 DC fan from SAME SKY is designed for efficient and reliable cooling in a variety of applications. Measuring 40x40x28mm, this compact fan operates on a 12VDC power supply. The ball bearing design ensures smooth operation and a long lifespan, making it suitable for demanding environments. PWM control allows for precise adjustment of fan speed to optimize cooling performance and minimize noise. A tachometer output provides a signal for monitoring fan speed, ensuring proper operation and enabling proactive maintenance. Supreme Components International is an authorised distributor of SAME SKY electronic components, guaranteeing genuine parts and reliable service. This fan is ideal for electronics cooling, server racks, and other applications requiring efficient thermal management.