ST42EA105

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Trimmer Potentiometers are used in a variety of fields, from automotive electronic systems to audio equipment, to control the electrical output of a device. The ST42EA105 is a high-precision trimmer potentiometer suitable for a wide range of applications, from automotive and industrial use to consumer applications. The ST42EA105 is a single-turn trimmer potentiometer. It features a very high noise immunity, with a max. rotation speed of 300 RPM, and a maximum temperature rating of up to 105°C, making it an ideal choice for applications where high precision is required.

The ST42EA105 is a three-terminal device, featuring a resistance track element and contacts that enable the connection of two external resistors, either in series or parallel. The resistance track element is connected to the two external resistors by the two end terminals, while the third terminal is connected to a slider that moves along the track of the resistance element. This slider is operated by a knob that can be adjusted to set the desired resistance value of the whole circuit. This makes the ST42EA105 a potentiometer with a wide range of adjustment.

The working principle of the ST42EA105 is fairly simple. The two external resistors connected to the resistance track element are adjusted in value in order to change the total resistance of the circuit. This change in the resistance of the circuit causes a change in the electrical output of the device, depending on the nature of the circuit. For example, if the circuit is connected to an amplifier, the ST42EA105 will allow the user to adjust the level of amplification of the amplifier.

The ST42EA105 is a highly-versatile device and can be used in a variety of applications. It is commonly used in automotive systems to control the electrical output of devices such as fan motors and cooling systems. It can also be used to adjust the sound levels of audio equipment, from speakers to headphones. The high noise immunity and wide adjustment range of the ST42EA105 make it the ideal choice for any application that requires a high degree of precision and control.

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