3500S-2-103

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Rotary potentiometers, more commonly known as a ‘pot’ or a ‘potentiometer’, are three-terminal adjustable resistors widely used in electronics and instrumentation. Rheostats, commonly referred to as ‘variable resistors’, are two-terminal adjustable resistors typically used to control the current in a circuit. The 3500S-2-103 is a rotary potentiometer manufactured by W3 Corporation that offers adjustable resistance between two points on its rotating shaft. The 3500S-2-103 is primarily used in applications where precise resistance control is required.

The 3500S-2-103 is most commonly found in audio equipment and can be used to adjust the volume or balance of audio signals sent through speakers, amplifiers, and other audio devices. The pot can also be used as an input device to control the speed of motors, the temperature of heaters, and the angle of objects.

The 3500S-2-103 consists of three main components: a rotating shaft, a contact element, and a resistance element. The rotating shaft is connected directly to the contact element and is responsible for the mechanical connection between the pot’s terminals. As the shaft is turned, the contact element slides along the resistance element, altering the resistance between two points.

The resistance element is composed of two main components: a resistive track and a wiper. The resistive track is usually made from resistive material such as metal film, carbon film, or conductive plastic. The wiper, also known as the brush, is attached to the rotating shaft and is responsible for making contact with the resistive track. As the shaft is turned, the wiper slides along the resistive track, altering the resistance between two points.

The 3500S-2-103 is also designed with a detent feature which consists of a spring and an arm. The spring creates tension that prevents the rotating shaft from turning freely and also provides a tactile “click” as the shaft is turned. This feature is useful in applications that require a certain setting, such as when controlling the volume of a speaker or the speed of a motor.

The 3500S-2-103 is a robust and reliable component suitable for a wide variety of applications such as audio equipment, motor speed control, and temperature regulation. It offers precise resistance control, a tactile detent feature, and a rugged design that can withstand harsh environments.

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