9A0824H4021

Power (Watts):	1.68W
Lifetime @ Temp.:	40000 Hrs @ 60°C
Material - Blade:	Plastic
Material - Frame:	Plastic
Voltage Range:	12 ~ 27.6VDC
Current Rating:	0.070A
Weight:	0.199 lb (90.26g)
Approvals:	CSA, TUV, UL
Operating Temperature:	-4 ~ 158°F (-20 ~ 70°C)
Ingress Protection:	--
Termination:	2 Wire Leads
RPM:	2900 RPM
Series:	San Cooler 80
Noise:	29.0 dB(A)
Features:	Locked Rotor Protection
Fan Type:	Tubeaxial
Bearing Type:	Ball
Static Pressure:	0.142 in H2O (35.4 Pa)
Air Flow:	36.4 CFM (1.02m³/min)
Width:	25.00mm
Size / Dimension:	Square - 80mm L x 80mm H
Voltage - Rated:	24VDC
Part Status:	Active

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Introduction

The 9A0824H4021 is a DC fan that is widely used in a host of industrial and consumer applications in order to maintain optimal operating temperatures of electronic components. It features a wide diameter, high RPM and a unique dual-tapered fan blade system which enables it to produce greater air volume, while still running at a lower noise level. As such, it is suitable for both low- and high-pressure applications. In this article, we will take a closer look at the 9A0824H4021’s application field and working principle.

Applications

The 9A0824H4021 is suitable for a variety of common industrial applications such as office equipment, communications systems, HVAC systems, cooling fans for computer cases, semiconductor equipment, robotics and medical equipment. It is also suitable for consumer applications such as home appliances, kitchen appliances, gaming devices, audio/video equipment and more.

Construction and Working Principle

The 9A0824H4021 DC fan consists of two components – the motor and the fan blades. The motor is an electronically commutated brushless DC motor which is powered by a direct current supply, typically in the range of 5 to 24 Volts. The fan blades are constructed from injection-molded polypropylene and feature the unique dual-tapered design. This design combines a high-capacity fan blade with an optimized blade angle to deliver a greater volume of airflow at a lower noise level.When the motor receives a current, it starts the fan for operation. The rotating blades create negative pressure on the intake of the fan, which pulls air into the unit. The air passes through the fan blades and is then ejected at the back at a higher velocity. The motor controls the RPM of the fan blades and the amount of air being pumped, dependant on the voltage it is receiving.

Conclusion

The 9A0824H4021 is a versatile DC fan, suitable for a variety of industrial and consumer applications. It features a wide diameter, high RPM and a unique dual-tapered fan blade which enables it to produce greater air volume, while still running at a lower noise level. Its electronically commutated brushless DC motor is powered by a direct current supply and is capable of controlling the RPM and amount of air being pumped.

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