CT20EX201

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Trimmer potentiometers (aka trimpots) are variable resistors that have a small screw for adjustment and normally come in a three-terminal package. The three terminals connect respectively to a wiper, a fixed contact and the resistance element. The model CT20EX201 is one such trimmer potentiometer that is made by Murata Electronics. It has an effective electrical angle of 300° and a rated operating voltage of 0.3 VDC.

The CT20EX201 is a development of other basic trimmer potentiometers and is suitable for a variety of applications, such as electrical signal transduction, length sensor, sound sensor and voltage sensor. In particular, it is well-suited for use in slow speed switching circuits, audio preamp circuits, sound-level circuits, low-frequency signal gain control, and high-speed analog signal processing. Its simple structure makes it suitable for various applications.

At the most basic level, the CT20EX201 functions in the same manner as most other potentiometers. An external signal is applied to an input terminal, which is then attenuated or amplified according to the resistance set by the trimmer. The output signal from the device is then connected to a load, which is usually the device to be controlled. The resistance can be adjusted with the use of a screwdriver.

The CT20EX201 is extremely accurate, with a linearity error of ±0.01 and a temperature coefficient of ±50 ppm/degree Celsius. It also displays excellent environmental resistance, with a humidity resistivity of 15 kΩ.min and an operation temperature range of -20°C to +85°C.

One of the main advantages of the CT20EX201 is its low voltage requirement (0.3 VDC). This allows it to be used in low-voltage circuits, particularly in microprocessor or logic devices. In addition, It is durable and reliable, making it suitable for use in industrial-grade control applications. Lastly, it is also extremely reliable—it is rated for up to 1 million cycles, depending on the application conditions.

In summary, the CT20EX201 is a highly accurate, low-voltage trimmer potentiometer with excellent environmental resistance. It is suitable for a wide range of applications, including those in slow speed switching circuits, audio preamp circuits, sound-level circuits, low-frequency signal gain control, and high-speed analog signal processing. Its reliability, accuracy, and low voltage operation make it an ideal choice for industrial-grade control applications.

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