RES1K5

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Rotary Potentiometers, Rheostats, and the RES1K5 application field and working principle

A rotary potentiometer, also known as a rheostat, is a two-terminal, adjustable electronic component with three or more contacts. The two terminals are labeled “positive” and “negative”, while the third contact is the wiper that slides along the resistance element. The position of the wiper determines the amount of resistance between the two terminals. Rheostats are used in circuits to adjust the amount of current or voltage passing through the circuit.

The RES1K5 is a reliable and robust rotary potentiometer developed by Elma Electronic. This single-turn device is used for low-power applications and is available in a variety of shapes and sizes. It has an extremely low profile of less than 1.5mm and can withstand temperatures up to 85°C. Its resistance range is typically between 500Ω and 5kΩ.

The RES1K5 can be used in a variety of applications, including voltage and current regulation, voltage and current multipliers, current sense applications, signal detuning, and audio circuitry. It is also commonly used in medical and industrial equipment.

The working principle of the RES1K5 is based on a rotary motion sensor. The sensor consists of a rotating coupling shaft which moves in synchrony with a stationary contact. The stationary contact is connected to ground, while the rotating contact is connected to the wiper of the potentiometer. As the shaft rotates, the rotating contact slides along the resistance element, adjusting the resistance value between the positive and negative terminals.

The RES1K5 is designed to be durable and reliable, even when subjected to harsh conditions. It has a contact life of up to 1 million rotations and a maximum operating torque of 0.6 N-m. It is designed to have a low power consumption and a low noise level, making it suitable for sensitive applications. Additionally, it has a dust and water ingress protection rating of IP67.

In conclusion, the RES1K5 is a reliable and robust rotary potentiometer developed by Elma Electronic. It can be used in a variety of applications ranging from voltage and current regulation to audio circuitry. Its working principle is based on a rotary motion sensor, which adjusts the resistance value between the two terminals as the shaft rotates. It is designed to have a long contact life of up to 1 million rotations and a low power consumption, making it suitable for a variety of low-power applications.

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