3318K-1-502 Potentiometers, Variable Resistors

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Trimmer potentiometers, such as the 3318K-1-502, are a type of variable resistor or rheostat used to control the flow of electricity, and are often used as part of electronic circuits to adjust the performance of certain components. As their name implies, they are devices used to “trim” the performance of electrical components.

Most trimmer potentiometers consist of three primary components: a body, a part called a “slider” or “wiper,” and two electrical terminals. The body of the trimmer can take many forms, the more common being a small, circular, screw-adjustable knob or dial. The slider is the part of the trimmer that adjusts the resistance by sliding along a track on the body. This sliding of the slider is typically controlled by the knob or dial, but can also be controlled electronically. The two electrical terminals provide the paths for the flow of electricity through the trimmer, and help form the resistance circuit when the slider is adjusted.

The 3318K-1-502 belongs to a family of trimmer potentiometers known as “single-turn” trimmers, meaning that they are limited to a single revolution of the slider in order to adjust the resistance value. This type of trimmer is great for applications that need fine, incremental adjustments without having to cycle the knob or dial multiple times. The 3318K-1-502 in particular has a resistance range of 3.3k ohms.

The most common use of trimmer potentiometers is to adjust the performance of electronic components such as amplifiers, filters, and feedback systems. They are often used to calibrate or compensate for factors such as signal gain, frequency response, or capacitance. The 3318K-1-502 is no exception, and can be used for a variety of applications. This includes adjusting amplifier gain and feedback, frequency response, signal levels, and other circuit parameters.

In terms of its working principle, a trimmer is similar to a traditional variable resistor or rheostat. The difference is that trimmers have smaller tracks, allowing for fine incremental adjustments. As the slider moves along the track of the body, the resistance increases or decreases accordingly. This is achieved by the slider or wiper interconnecting two fixed ends of the resistor, forming a complete resistance circuit. The slider basically provides a variable connection between the two ends of the resistor, thus adjusting the resistance value.

In conclusion, trimmer potentiometers are a versatile component often used to trim the performance of electrical circuits and devices. The 3318K-1-502 is a single-turn trimmer potentiometer that offers a resistance range of 3.3k ohms, making it suitable for applications requiring precise, incremental adjustments. Its working principle is similar to that of a variable resistor or rheostat, with the adjustment achieved by providing a variable connection between two fixed ends of the resistor.

The specific data is subject to PDF, and the above content is for reference