PF40281B1-000U-A99

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DC fans, or direct current fan, are small electric motor-powered fans used to provide cooling and circulation to electronic components. The PF40281B1-000U-A99 is a type of DC fan commonly used in general-purpose applications, such as consumer electronics, computers, and telecom equipment. As a type of low noise cooling fan, it operates at very low frequencies and is designed to provide a quiet and efficient cooling solution.

The PF40281B1-000U-A99 is a high-efficiency brushless dc fan with a three-phase motor and integrated auto-reset thermal protection. This fan is designed so that the stator and rotor are completely integrated within a single package, making it easy to install and maintain. It is also designed to operate reliably over a range of temperatures, ambient air and lighting conditions, ensuring that it can be used in a variety of applications. This fan also features a fully-sealed construction, allowing it to be used in dusty or wet environments, such as outdoor or industrial application.

The working principle of the PF40281B1-000U-A99 is simple. It is an electronically commutated fan, meaning that it runs on voltage and not on current. The main idea is to use a brushless motor as the main driving element. The motor is in turn connected to a rotor, which is spun via magnets and stators. The control board then sends current to the stators, which causes the rotor to spin. The spinning of the rotor creates air movement, which gives the fan its cooling capability.

The PF40281B1-000U-A99 is designed to have a maximum rated speed of 8,000 RPM, a sound level of less than 30 dB(A) at full load and a start voltage of 4V. It has a rated current of < 0.17 A @ 4.5V and a power consumption of less than 0.9W. The fan comes with a two-pin connector and is PWM controllable, allowing for precise fan speed control.

The main applications of the PF40281B1-000U-A99 DC fan include computers, telecom equipment, consumer electronic devices, and any other application that requires a reliable cooling solution. This fan can be used in a variety of industrial and commercial applications as well, such as medical equipment, transportation systems, data centers, and more. It is also very popular in the automotive industry for providing reliable and efficient airflow management.

In conclusion, the PF40281B1-000U-A99 is a high-efficiency brushless DC fan designed to provide quiet and efficient cooling in a number of applications. This fan has a wide range of operational temperatures, making it suitable for both indoor and outdoor applications. Its integrated auto-reset thermal protection ensures reliable operation over extended periods of time and its PWM control allows for precise fan speed adjustment. As such, the PF40281B1-000U-A99 is an ideal choice for a variety of applications.

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