ST42EB200

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Trimmer potentiometers are widely used in electrical devices such as radios, TVs and amplifiers, and they are also used to fine-tune parameters and calibrate circuits. ST42EB200 is a type of trimmer potentiometer that is economical and versatile. It is widely used in applications such as measurement, control, audio volume control, and, stability control.

The ST42EB200 is a wire-wound type trimmer potentiometer, with a B-series resistance value. The resistance range is 200Ω with a 0.1W rated power. Its construction uses a plastic case, and the housing is sealed in order to make it resistant to dirt and liquids. The potentiometer uses a threaded shaft with a knurled knob to enable the adjustment of resistance, while the terminals have a standard pin design with solder tails for making connections.

The ST42EB200 is available in a variety of configurations, such as single, dual, and multiple-turn models. The dual-turn models have a rotating shaft with two winding layers that are 180° apart, and these can be electronically controlled with either a servo-loop or voltage-controlled circuit. The standard model provides a linear resistance value, but there are also non-linear versions available for specialized applications.

The working principle of the ST42EB200 is based on the measurement of the resistance of the potentiometer’s winding as it is adjusted. Essentially, the rotation of the knurled knob increases or decreases the resistance of the potentiometer’s winding. The main benefit of the ST42EB200 is its versatility, as it can be used for both standard and specific applications.

In the context of standard applications, the ST42EB200 is widely used for adjusting signal voltage levels, controlling and regulating current, and providing weight and phase balance for several circuits. It is also used for frequency control and gain adjustment in audio systems and radio receivers. The ST42EB200 is also an ideal choice for precision applications, such as temperature control, instrumentation, and medical technology.

In summary, the ST42EB200 trimmer potentiometer is an affordable and reliable solution for a variety of applications. It is available in different configurations and models, including standard and precision models. It can be used for both standard and specialized applications, such as voltage and current control, frequency control, instrumentation and medical technology. The resistance of the potentiometer’s winding is adjusted with the rotation of the knurled knob, enabling optimal performance for any given application.

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