BFB1248HH-TP21

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DC Fans are an electro-mechanical device used to create a flow of air. They are available in various makes, models and sizes, and are widely used in a variety of applications. The BFB1248HH-TP21, a DC Fan, is an example from a family of Brushless DC Fans manufactured by Delta Electronics Inc. It has the features of a wide voltage range, high airflow, low noise, and multi-mode variable speed control.

The BFB1248HH-TP21’s wide voltage range of 7V to 13VDC makes it suitable for both industrial and medical applications. The high airflow of 140CFM and low noise level of 35dB make it ideal for applications requiring either high-powered cooling or silent operation. The multi-mode variable speed control ("PWM control" or three speeds) enables the fan to operate at the speed indicated by the user. This feature also reduces the fan\'s energy consumption, thereby increasing its efficiency.

In terms of applications, the BFB1248HH-TP21 can be used in electrical and electronic systems such as cooling units, computer enclosures, and power supplies. It is also suitable for small air conditioning and heating systems, ventilators, and other similar applications. Additionally, its variable speed control and low noise level make it an ideal choice for sound-sensitive applications such as soundproof consoles, medical equipment, and other noise-sensitive systems.

As to its working principle, the BFB1248HH-TP21 features a cylindrically shaped permanent magnet rotor that is located in the center of the fan. The rotor is driven by an electric motor, which is activated by an electronic circuit board. This board sends a signal to the motor and turns it on or off, depending on the user’s desired speed. The motor rotates the rotor, which creates a suction that starts moving air through the fan. The air passes through an exhaust vent at the opposite side of the fan, creating a cooling effect.

The BFB1248HH-TP21 is a high performance Brushless DC Fan that offers a wide voltage range, high airflow, low noise, and multi-mode variable speed control. These features make it suitable for a wide range of applications and sound-sensitive applications. Its working principle is based on an electric motor that drives a permanent magnet rotor to create a suction and enable the air to pass through the fan.

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