3386W-1-203RLF

Trimmer Potentiometers

The 3386W-1-203RLF is a type of trimmer potentiometer that is used for precise position sensing and volume control in a variety of applications. It is a three-terminal adjustable resistance device, offering design flexibility in creating precisely defined electrical characteristics. The potentiometer is typically connected in series between a positive voltage rail and ground and consists of a movable tap point and two fixed resistors.

Application Field

The 3386W-1-203RLF is widely used in a variety of industries including audio systems, instrumentation and power stabilizers. It is designed for applications where precise linearity and low noise are essential. It is also suitable for applications where cost and space are constrained. It can be used as a potentiometer for audio systems to control volume, balance, and tone, or as an adjustable voltage divider for measuring signals, monitoring, and modulating.

Working Principle

The 3386W-1-203RLF has three terminals. The two fixed terminals (with resistors) are used to create a linear resistance signal across the device, while the third terminal is adjustable, allowing a corresponding change in resistance. This terminal is connected to a central contact point, which can be adjusted to alter the linearity of the resistance signal as it moves along the device. By adjusting the contact point, the resistance signal varies linearly with respect to the position of the central contact point. This makes the 3386W-1-203RLF a suitable choice for applications requiring precise linear control.

In use, the resistance of the 3386W-1-203RLF increases as the contact point is moved closer to either of the fixed terminals. This resistance creates a voltage drop across the device, which then produces a corresponding linear resistive signal. The voltage drop across the 3386W-1-203RLF can vary from a maximum of 10 volts to a minimum of 1 volt, depending on the size of the device and the application.

In addition to providing a linear resistive signal, the 3386W-1-203RLF also offers excellent noise suppression, as the device is constructed in a manner that isolates it from external noise sources. This helps ensure that the signal remains unaffected by external electrical interference, thus offering a more accurate and reliable electrical signal.

The 3386W-1-203RLF is designed to function under extreme conditions, including temperatures ranging from -55°C to +85°C. It has an operating voltage of 10V and can handle peak voltages of 35V. Its fast response time ensures accurate, repeatable results with minimal drift. It also has a wide operating range, which allows it to be used in applications requiring precise linear control.

Conclusion

The 3386W-1-203RLF trimmer potentiometer is a versatile device designed for precise position sensing and volume control in a variety of applications. It is widely used in audio systems, instrumentation, and power stabilizers, and offers excellent noise suppression, fast response time, and wide operating range. With its linear resistance signal and superior design, the 3386W-1-203RLF trimmer potentiometer makes it an ideal choice for applications requiring precision and reliability in extreme conditions.