3352W-1-203

Thumbwheel Potentiometers

A thumbwheel potentiometer is an electrical device that adjusts resistance values such as voltage and current through the use of manually adjusted rotary knobs. These devices are typically used in the analog circuitry of various electronics, especially audio equipment. The 3352W-1-203 is a two-Wire thumbwheel potentiometer that is designed for use as a volume control on a wide range of audio equipment.

Application Field and Working Principle

The 3352W-1-203 is most often used as an adjustable resistance in an audio application. It is designed with two leads, one which acts as a live current and the other which is used as a ground wire. The current from the live lead is then routed through two winding coils in the potentiometer, which creates a resistance dependent upon the knob’s position. By manipulating the knob, the amount of current being fed through to the next step in the circuit is changed, which in turn changes the electric properties of the pushed audio signal. This is the primary application for which the 3352W-1-203 is designed for.

Another use for the 3352W-1-203 is in the adjustment of voltage. This is done by having either a lower voltage source connected to the non-ground lead, or having a higher voltage source connected to both the ground and live lead. Once connected, the knob on the potentiometer can then be adjusted to dial in a desired output voltage.

The 3352W-1-203 also has the ability to be used as an adjustable current industrial potentiometer. In this application, the device can be used to meter a specific current output on a long-term basis. This could be used to, for example, control the heating element in a hot water heater.

Component Overview

The 3352W-1-203 is a two-wire thumbwheel potentiometer that features a body constructed from silicon and a rotary knob constructed from a hard plastic material. The body of the component houses an internal coil that is controlled by the position of the knob. The potentiometer also incorporates an adjustable drag helps to maintain a set position. This allows for accurate and precise adjustment of the resistance values.

Advantages

The 3352W-1-203 is an ideal choice for a number of audio applications due to its adjustable resistance. This allows users to dial-in a desired volume without having to reprogram any electronics. Additionally, the thumbwheel adjuster also allows for a greater amount of accuracy than a regular potentiometer. The drag adjustment also allows users to set-and-forget a volume position without having to worry about it changing as the electronics cools down.

The 3352W-1-203 is also advantageous for industrial applications due to its ability to monitor long-term current output. This makes it handy for controlling heaters or other devices over a long period of time. Additionally, its durable construction makes it resistant to vibration and shock, which makes it ideal for use in harsh industrial environments.

Conclusion

The 3352W-1-203 thumbwheel potentiometer is an excellent choice for both audio and industrial applications. Its adjustable resistance and drag control make it ideal for dialing in accurate voltage and current values. Additionally, its durable construction makes it suitable for use in harsh industrial environments. With its wide range of capabilities and its attractive price point, the 3352W-1-203 is an excellent choice for budget-constrained applications.