P231-EC20BR5K

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Rotary Potentiometers and Rheostats serve a wide variety of purposes in electronic applications. These devices adjust electrical signals, control voltage, and alter currents to meet the needs of particular applications. When it comes to user-adjustable parameters, Rotary Potentiometers and Rheostats are found in a variety of consumer and industrial equipment.

The P231-EC20BR5K is a 1/4 inch Endless Rotary Potentiometer typically used in audio volume control circuitry and signal routing functions. It features a five-wire design that allows for different types of connection to the end user\'s external device. The resistance of the potentiometer is 20K ohms and boasts a temperature coefficient of ±100 ppm/°C. It has a rotational life of 500,000 cycles, as well as an operating force of 7.1 N-m and a temperature range of -30°C to 70°C.

One of the most common functions of Rotary Potentiometers is to adjust the volume in headphones and speakers. As the knob is adjusted, the electromechanical device refers to a resistor connected to a circular track that alters its resistance as the user turns the rotary knob. As the position of the dome or wiper changes along the track, the voltage coming from the source will either increase or decrease, thereby adjusting the volume.

Aside from volume control, Rotary Potentiometers can also be used to regulate signals in a wide range of applications, such as light dimming, windscreen wiper and radio adjustment systems. A potentiometer is a great choice for user adjustments because it is adaptive, inexpensive, relatively durable and utilizes a simple design.

Unlike Rotary Potentiometers, Rheostats are resistors used to control current rather than voltage. It typically has two contact terminals, and a rotating arm that is connected to a wiper. The arm is adjusted to a specific position within the resistor and creates an adjustable voltage drop that alter the current flowing through the two terminals. Rheostats are used in a variety of applications, including screens, heating elements, and motors.

The P231-EC20BR5K Rotary Potentiometer is a great choice for audio volume and signal routing applications. Its robust design is relatively inexpensive and durable, and its temperature coefficient of ±100 ppm/°C ensures a stable experience in a variety of applications. And unlike Rheostats, Rotary Potentiometers offer users a simple and adjustable control over their desired parameters.

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