9G0648G101

Noise:	58.0 dB(A)
Lifetime @ Temp.:	40000 Hrs @ 60°C
Material - Blade:	Plastic
Material - Frame:	Plastic
Voltage Range:	28 ~ 55.2VDC
Approvals:	CSA, TUV, UL
Operating Temperature:	-4 ~ 158°F (-20 ~ 70°C)
Ingress Protection:	--
Termination:	3 Wire Leads
Power (Watts):	16.80W
Series:	San Ace 60
Features:	Speed Sensor (Tach)
Fan Type:	Tubeaxial
Bearing Type:	Ball
Air Flow:	65.0 CFM (1.82m³/min)
Width:	38.00mm
Size / Dimension:	Square - 60mm L x 60mm H
Voltage - Rated:	48VDC
Part Status:	Active

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Article

DC Fans

DC fans are widely used in electronic applications due to their superior reliability and energy efficiency. DC fan technology has advanced significantly in recent years, resulting in higher performance, in the form of increased air flow, and greater energy efficiency, through the use of better bearings and motor design. In this article, we will explore the application field and working principle of a 9G0648G101 DC fan.

Application Field

The 9G0648G101 DC fan is designed for use in a variety of applications, ranging from cooling motherboards and CPUs, to ventilation for exhaust systems. Its breadth of compatible applications is due to its fan type being a long life-span sleeve bearing. The fan motor is constructed from sturdy die-cast aluminium and the fan blades are optimised for maximum airflow. This combination of construction materials and design has enabled this fan to continuously operate at temperatures of up to 70°C, making it suitable for use in high-temperature environments. Moreover, the fan offers a wide range of different RPM settings, making it suitable for applications requiring a range of different airflow requirements. This is particularly useful for a computer system, as different components require different airflow in order to operate optimally.

Working Principle

The working principle of a 9G0648G101 DC fan is very straightforward. The fan utilizes a brushless DC motor, which is powered by a 7-15V DC power supply. This power supply is responsible for providing the motor with the necessary power to start and operate.Once the motor is powered up, the fan blades begin to spin, creating a vacuum effect. This vacuum effectively pulls in the surrounding air and pushes it through the fan chamber. This air then exits the fan blades at an increased velocity, providing the necessary cooling to the components that the fan is mounted to. In order to regulate the fan’s RPM, a fan speed control can be used. This fan speed control is typically comprised of two components: a thermistor and a DC power regulator. The thermistor senses changes in temperature and adjusts the speed of the fan accordingly. The DC power regulator adjusts the voltage to the fan motor, which in turn, changes the speed of the fan.

Conclusion

The 9G0648G101 DC fan is a reliable and energy-efficient option for a variety of electronic applications requiring cooling. Its wide range of compatible applications is due to its fan type being a long-life sleeve bearing, as well as its sturdy construction materials and design. Moreover, its range of RPM settings makes it suitable for a variety of applications requiring different airflow requirements. Finally, its working principle is based on a brushless DC motor, which is controlled by a thermistor and DC power regulator.

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