109E4748M4D01

Series:	San Ace 172
Part Status:	Active
Voltage - Rated:	48VDC
Size / Dimension:	Rectangular/Rounded - 172mm L x 147mm H
Width:	25.40mm
Air Flow:	183.0 CFM (5.12m³/min)
Static Pressure:	0.369 in H2O (91.9 Pa)
Bearing Type:	Ball
Fan Type:	Tubeaxial
Features:	Locked Rotor Sensor
Noise:	51.0 dB(A)
Power (Watts):	15.40W
RPM:	2800 RPM
Termination:	3 Wire Leads
Ingress Protection:	--
Operating Temperature:	-4 ~ 140°F (-20 ~ 60°C)
Approvals:	CSA, TUV, UL
Weight:	1.102 lb (500.0g)
Current Rating:	0.320A
Voltage Range:	40.8 ~ 55.2VDC
Material - Frame:	Aluminum
Material - Blade:	Plastic
Lifetime @ Temp.:	40000 Hrs @ 60°C

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DC Fans - 109E4748M4D01 Application Field and Working Principle

DC fans are electric fans powered by direct current (DC) sources, such as automotive batteries, solar panels, and computer power supplies. DC fans are widely used in both consumer and industrial applications, providing cooling when needed and providing a relatively quiet and efficient means of air movement. The 109E4748M4D01 is a well-known DC fan designed for applications where the ability to achieve quieter operation and greater airflow is a priority.

What is the 109E4748M4D01 DC Fan?

The 109E4748M4D01 DC fan is a medium-sized fan with a 4-inch diameter, and a Pulse Width Modulated (PWM) speed controller. It is constructed with a sintered bronze bearing and a shaded pole motor, and is designed to fit into a standard 4-inch circular fan bracket. The fan generates an airflow of 18.1 cubic feet per minute (CFM) at the maximum speed setting, and the PWM speed controller allows the user to select from five different speed settings, all the way down to a low-noise 1 CFM setting.

What is the Application Field of the 109E4748M4D01 DC Fan?

The 109E4748M4D01 DC fan is a popular choice for cooling applications in electronics, computers, and industrial control systems. Its PWM speed controller allows it to be used in applications where quiet operation is a priority, such as noise-sensitive home theaters or server rooms. It is also used in home appliance applications, as well as in automotive and marine applications.

What is the Working Principle of the 109E4748M4D01 DC Fan?

The 109E4748M4D01 DC fan works by running the electric motor at varying speeds, depending on how much power is being applied to it. This is accomplished by using a PWM speed controller, which uses pulse-width modulation to regulate the amount of current being sent to the motor. By controlling the power sent to the motor, the controller is able to adjust the speed of the fan from the maximum to the lowest setting. The fan has a sintered bronze bearing, which helps the motor run more quietly, as well as improving its durability.

Conclusion

The 109E4748M4D01 DC fan is a well-designed and highly versatile fan, capable of meeting the needs of a wide range of applications, from low-noise home theaters to industrial control systems. Its PWM speed controller allows it to be used for quieter applications, and its sintered bronze bearing helps to reduce vibration and improve motor longevity. With its combination of features, the 109E4748M4D01 DC fan is an ideal choice for cooling applications.

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