3352H-1-253LF

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Thumbwheel Potentiometers

Thumbwheel potentiometers provide a simple and convenient way to control an output. They are commonly used for a variety of applications, such as controlling motor speed or audio volume. The main component of a thumbwheel potentiometer is a resistive element, usually made of carbon, that changes its resistance when turned. This change in resistance allows the user to control the output of the system with a single turn of the knob.

3352H-1-253LF Application Field and Working Principle

The 3352H-1-253LF is a thumbwheel potentiometer designed for use in motor speed controls, audio volume controls, and other applications requiring a variable resistance. Its size and shape make it suitable for use in confined spaces, such as inside a motor housing or behind a car stereo. It is constructed of carbon and is rated for a current of 1.5A. The resistance range is 0-5KΩ and the resistance change per turn of the knob is 31.25Ω.

The 3352H-1-253LF uses a linear taper, meaning that the resistance change is uniform for each turn of the knob. Turning the knob clockwise increases the resistance, while turning it counterclockwise reduces the resistance. This allows for precise control of the output as the user can adjust the resistance in very small increments of 31.25Ω. The knob can be locked in place to prevent accidental changes and a switch can be connected to the potentiometer to enable or disable the output.

The 3352H-1-253LF is a simple and reliable device, making it an ideal choice for applications requiring variable resistance. It is small enough to fit in confined spaces but robust enough to handle the demands of motor controls or audio volume adjustments. The linear taper allows for precise control of the output and the switch option adds extra functionality. With its durable construction and low cost, the 3352H-1-253LF makes an excellent choice for motor speed and audio volume controls.

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