CT94EZ202

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Trimmer Potentiometers are electrical components that are used to measure the amount of resistance, or impediment, in an electrical circuit. The CT94EZ202 is a specific type of trimmer potentiometer, which is designed for specific applications and has a unique working principle. This article aims to explain the application field and working principle of the CT94EZ202.

The CT94EZ202 is a 2-terminal, dual-track, ceramic trimmer potentiometer. It is designed for applications where the exact amount of the variation must be accurately adjusted. This can include cases such as temperature or pressure measurement, voltage or current regulation, and amplification control. The device is composed of two high-magnetism ceramic cores, which contain multiple turns of electrolytically-coated wire. The number of turns and the depth of the coating determine the amount of resistance. The tracks of the potentiometer are connected to two pins at either end, and when a voltage is applied, a voltage divider is created, allowing for precise control of the resistance.

When the CT94EZ202 is used, the resistance is adjusted by rotating the ceramic cores of the potentiometer. This causes the depth of the electrolytic coating to increase or decrease, which creates more or less resistance, respectively. The rotation of the potentiometer is limited in both directions, which makes it possible to precisely adjust the resistance. The maximum amount of variation in resistance allowed for the CT94EZ202 is ±15%, which can be used for high-precision applications.

Additionally, the CT94EZ202 has two additional benefits that make it suitable for various applications. Firstly, the device is made from ceramic, which makes it much more resilient to shocks and vibration than other trimmer potentiometers. Secondly, the device has a low temperature coefficient, which allows for a low-temperature drift of the resistance. This is particularly useful for controlling temperature or pressure, as the resistance will maintain a consistent value even when subjected to extreme temperatures.

The CT94EZ202 is a highly versatile trimmer potentiometer, due to its precise control of the resistance, durability, and low temperature coefficient. It can be used for applications such as temperature or pressure measurement, voltage or current regulation, and amplification control. It is important to remember that the rotation of the potentiometer is limited in both directions, to ensure precise control of the resistance.

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