612NGHH

Power (Watts):	3.80W
Lifetime @ Temp.:	60000 Hrs @ 40°C
Material - Blade:	Polyamide (PA), Nylon, Fiberglass Reinforced
Material - Frame:	Polybutylene Terephthalate (PBT), Fiberglass Reinforced
Voltage Range:	8 ~ 13.2VDC
Current Rating:	0.255A
Weight:	0.19 lb (86.18g)
Approvals:	CE, CSA, UL, VDE
Operating Temperature:	-4 ~ 158°F (-20 ~ 70°C)
Ingress Protection:	--
Termination:	2 Wire Leads
RPM:	6850 RPM
Series:	600NG
Noise:	43.0 dB(A)
Features:	--
Fan Type:	Tubeaxial
Bearing Type:	Sintec
Static Pressure:	--
Air Flow:	33.0 CFM (0.924m³/min)
Width:	25.40mm
Size / Dimension:	Square - 60mm L x 60mm H
Voltage - Rated:	12VDC
Part Status:	Active

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Introduction

DC fans are commonly used in electronics, as they provide an efficient and reliable way to dissipate heat from components and circuit boards. 612NGHH fans are designed for high performance applications, and are suitable for ICs, FPGAs and other types of components that generate significant heat within an enclosed environment. The 612NGHH fan features a balanced airflow design that ensures the internal temperature of the enclosed environment is correctly maintained without creating any air turbulence.

Design and Construction

The 612NGHH DC fan is constructed with an aluminum alloy housing and a transparent covering. Its internal components include a DC brushless motor, a radial impeller, and two sets of blades to optimize air flow. The motor is designed with eight poles, which enables it to achieve a high speed of up to 16000 rpm. The fan has a motor diameter of 40.00 mm, and a 3-phase motor structure. It also has a PWM drive and a ModeSense signal sense function.

Application Field

The 612NGHH DC fan can be used in many different kinds of applications, including thermal control of consumer electronic devices, servers, heat sinks, and other cooling systems. It is also suitable for usage in medical devices, automotive systems, home appliances, and robotics. This fan has the capability to dissipate heat evenly in a short period of time, making it an ideal choice for devices that require fast cooling.

Working Principle

The working principle of the 612NGHH is based on the use of convection. The fan impeller sucks in air from the environment and then forces the air through the blades of the fan, which are situated on the outer circumference of the fan motor. As the air passes through the blades, it generates a centrifugal force, which causes the air to be expelled out of the fan at a high velocity. This high velocity of the air results in a cooling effect, and the heat generated by the devices is dissipated to the atmosphere.

Advantages

The 612NGHH offers several advantages when it comes to cooling applications. As mentioned above, its radial impeller and two sets of blades ensure efficient air flow and improved cooling. It is also stable and reliable, and can be used in a wide range of temperatures, from -40° to +80°C. In addition, the PWM drive of the fan lets it operate between 100% and 0% duty cycle, so the user can fine-tune the speed of the fan according to their needs.

Conclusion

Overall, the 612NGHH DC fan is a useful and reliable cooling solution for high performance applications. Its balanced airflow design eliminates the risk of air turbulence, while its dual-bladed design helps ensure that the internal temperature of the enclosed environment is rightly maintained. In addition, the PWM drive and ModeSense signal sense feature lends it a great deal of flexibility, allowing the user to customize the fan’s speed and performance accordingly.

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