109BD12P2H01

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 DC Fans

DC fans became very popular in the market recently due to their low voltage, low acoustic noise, low power consumption and better air flow when compared with their AC counterparts. The 109BD12P2H01 is a DC fan with impressive specifications, performing better than many AC fans.

Features

The 109BD12P2H01 has an impressive set of features that make it one of the best fans on the market. It has a size of 120mm x 120mm x 25mm, making it suitable for applications that demand precise orientation or tight installations. Its given power supply is 12V DC as its rated voltage, and 0.14A as rated current, which makes this fan suitable for applications in several domains. In addition, its speed can be varied from 1,200 to 2,000 RPM, with an airflow of 89 CFM at maximum velocity, and a noise range of 25-36 dB(A).

Applications

This DC fan can find applications in a wide array of fields, ranging from industrial applications to home appliance use. Its drive type and low voltage make it suitable for devices where noise and vibration levels need to be minimized. Some specific applications are:

• Intake and exhaust for computer cases and power supplies.
• Providing cooling to projectors and computational electronics.
• Providing cooling for TV, printer, router and other peripherals.
• Industrial exhaust and cooling.

Working Principle

DC fans operate on the same principle as AC fans, using an electric motor to run the fan blades using the magnetic field from the electric current. The 109BD12P2H01 runs thanks to the electromagnets encircling each fan blade that attract the core of the fan when the electric current is applied. As the blades rotate, air is expelled or sucked in, depending on its orientation. The back cover of the fan has a magnet on its core that keeps the blades spinning. This mechanism makes sure that vibrations are reduced, providing a quieter operation than their AC counterparts.

The speed of a DC fan is adjustable via pulse-width modulation, by varying the duty cycle between 0% and 100%. Varying the duty cycle modulates the on/off cycles the fan receives, meaning that at 0%, it will receive no power and thus, will not spin. At 100%, the fan will keep spinning at full speed thanks to the back cover\'s magnet.

Conclusion

The 109BD12P2H01 is a versatile DC fan. Its features, such as low power consumption, low acoustic noise and good airflow make it suitable for a wide array of applications. Furthermore, its working principle makes sure that it operates silently and effectively.

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