CU3531E

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Rotary potentiometers, also referred to as rotary resistors and rheostats, are devices used to control electrical current or voltage in a wide range of applications. The CU3531E is a type of rotary potentiometer designed for use in signal conditioning, voltage regulation, and voltage adjustment applications. It is designed to provide a stable and accurate resistive element, enabling precise control of voltage, current, and power. This article provides an overview of the application fields and working principle of the CU3531E.

Applications

The CU3531E is suitable for a variety of applications including:

• Voltage division;
• Signal addition and subtraction;
• Voltage regulation;
• Voltage adjustment;
• Variable gain control;
• Position sensing.

In addition, it can be used in motor speed and direction control, as well as in audio-visual equipment and power conversion circuits. 

Working Principle

The CU3531E is a type of analog potentiometer which consists of an elongated shaft with multiple movable contact points. When the shaft is rotated, the contact points move along the resistive element, changing the position of the wiper contacting the resistive element. This change in position results in a variation of the resistance value.
The CU3531E is constructed from an alloy which provides high stability and accuracy. The resistive element is enclosed in a dust-proof and water-tight shell, and features a control knob for rotation and a pin connector for electrical connection.  The resistance range of the CU3531E can be adjusted by adjusting the contact points to the resistive element.

In operation, the contact points establish a voltage across the resistive element to the wiper and the output pin. The output voltage and current are determined by the resistive element and the contact points, as well as the angle of rotation of the wiper. The voltage and current at the output pin is then proportional to the angle of rotation of the wiper, and the resistance of the resistive element.

The CU3531E has a wide range of applications in the signal conditioning, voltage regulation, and voltage adjustment fields. Its accurate and reliable constructions ensures stable and consistent operation, making it an ideal choice for these applications.

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