PV37P254A01B00

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Trimmer Potentiometers

A potentiometer (also known as a pot) is a three-terminal resistor with a sliding contact (the wiper) that forms an adjustable voltage divider. When used in its canonical arrangement, one terminal is connected to a fixed reference point (usually a ground), while the other two terminals are connected to a variable output, allowing it to be adjusted. Trimmer potentiometers are more specialized versions of potentiometers that are used to adjust smaller signals like low-current audio voltages, as well as being used in precision control applications.

PV37P254A01B00

The PV37P254A01B00 is a trimmer potentiometer that is used to adjust even smaller signals than a regular potentiometer can handle. This specific model is a 1/8" panel-mount, linear trimmer potentiometer, with a single turn adjustment angle of up to 270°, and being able to provide a resolution of around 0.05°. With a total resistance range of 10R to 1M, it is able to provide accurate and precise control over a variety of voltages.

Application Field

The PV37P254A01B00 trimmer potentiometer is primarily used in low-current audio applications such as audio and radio receivers or amplifiers. Its single turn adjustment allows for highly precise control over different voltages, which is useful when making small adjustments to the output signal. This potentiometer is also suitable for other small signal applications such as measuring light levels, motor speed control, or controlling activation or deactivation of a device.

Working Principle

The PV37P254A01B00 works on the same principle as any other trimmer potentiometer. As supplies and outputs are connected to the three terminals, a voltage divider is formed, the fixed reference being one end, and the variable output being the other end. By adjusting the single turn control knob located between the two terminals, the voltage across the variable output terminal is adjusted. The variable output voltage is then fed back into the device where it is used to control the output signal of the device.

Conclusion

The PV37P254A01B00 trimmer potentiometer is a specialized version of a potentiometer used in precision control applications. With its single turn adjustment angle of up to 270° and a resistance range of 10R to 1M, it is able to provide highly accurate and precise control over even small signals. Primarily used in low-current audio applications, it is also suitable for light level control, motor speed control, and device activations.

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