ST5ETR104

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Trimmer Potentiometers are widely applied as a traditional device for electric volume, noise reduction, brightness and other controlling. ST5ETR104 is one of the most commonly used trimmer potentiometers in market. This article will first present its application field and then discuss its working principle.

Application Field of ST5ETR104

ST5ETR104 is a trimmer potentiometer device with the designation of SMD, which stands for surface mount device. As a miniature form of potentiometer device, it is especially suitable for electronic equipment and space-limited instruments with a well-developed SMT mounted technology. This device is usually supplied as a preset with vertical adjustment terminals and includes a portion of SMD mounting resistance elements, which gives it a wide range of application fields.

Firstly, ST5ETR104 is employed to adjust sound volume in various instruments like microphones, AVs, speakers and etc. Secondly, it can fulfill functions of controlling brightness in mobiles, tablets, computer displays and etc. Thirdly, it can be adjustable for noise reduction in some frequency controlling devies. What’s more, the transportation of residential building & living community with luminous environment requires its aid. Last but not least, it is often used for controlling and adjusting the frequency of sound in telecommunication service.

Working Principle of ST5ETR104

As a trimmer potentiometer device, the operation of ST5ETR104 involves the principles of electricity, electronics and signal transmission. Within the device, there are two small sliding contact units, a resistor and a condenser. For the voltage applied on these two contact units, a resistor can be formed according to the location changes of the contact between the two. This process is the basis of the working principle of ST5ETR104.

Specifically, ST5ETR104 is proposed as a precision adjustable resistive divider device. Under a voltage supply applied, two small sliding contact units will move and form a resistor conduction route along the two terminals. The signal voltage then could be adjusted by adjusting the location of the sliding contact units. In this way, ST5ETR104 is able to realize volume controlling, noise reduction, brightness control, frequency controlling and other functions.

To summarise, ST5ETR104 trimmer potentiometers are applicable for various equipments like speakers, computers, displays and etc. The working principle of these trimmer potentiometers is based on the adjustable resistor conduction route has formed by two small sliding contact units. What’s more, it can support multiple controlling functions. ST5ETR104 is becoming one of the most popular trimmer potentiometers in the market due to its great performance.

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