ST42ETH201

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Trimmer Potentiometers

Trimmer Potentiometers are electronic components with adjustable resistive elements, which consist of two basic parts, a sliding contact (wiper) and a resistive element. The ST42ETH201 is a sturdy trimmer potentiometer with a rugged diecast body and a brass regulator. With a degree of accuracy of +-0.05%, it is perfect for applications that require precise adjustment of resistance. The ST42ETH201 is specifically designed to meet the challenges of harsh environmental conditions and provide dependable operation in extreme temperatures.

Application Field of ST42ETH201

The ST42ETH201 trimmer potentiometer is a reliable, high-precision component suitable for use in a variety of applications, such as motor control, automatic volume control, touch-sensing, speed control, and communications equipment. The wide range of features and options of the ST42ETH201 make it suitable for applications that require precise adjustment of various parameters in automation systems. Additionally, its optical passivation provides enhanced environmental protection and improved resistance to corrosion. This makes the ST42ETH201 perfect for use in a variety of industrial, automotive, and consumer applications.

Working Principle of ST42ETH201

The ST42ETH201 trimmer potentiometer consists of two resistive elements. A variable resistor or potentiometer is a three-terminal electronic component that adjusts the current flow through it by varying a resistance sliding contact, or wiper. The ST42ETH201 consists of two elements, a sensing element and a sliding contact. When the contact slides along the sensing element, it adjusts the resistance, thus controlling the current flow.

The sensing element of the ST42ETH201 consists of two positively-charged plates and a negatively-charged plate, which are sandwiched by three neutral resistive plates. When the wiper slides over the positively-charged plates, their electric field creates a resistance-to-position gap. This gap, along with the negatively-charged plate, increases the overall sensitivity of the sensing element, resulting in a more precise adjustment of the current flow through the trimmer potentiometer.

The ST42ETH201 trimmer potentiometer offers a variety of advantages compared to standard potentiometers. By offering enhanced durability and precision in extreme temperatures, the ST42ETH201 is perfect for use in a variety of applications. It also offers a wide range of features and options, making it suitable for use in both industrial and consumer applications. Additionally, its optical passivation provides enhanced environmental protection and improved resistance to corrosion.

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