3299Z-1-202LF

Trimmer Potentiometers

A trimmer potentiometer, also known as a trimpot, is a small, variable, adjustable, three-terminal resistor. It is generally used as a calibration or adjustment component in circuits. 3299Z-1-202LF is one of the popular trimming potentiometers on the market.

Application Field

3299Z-1-202LF trimmer potentiometer can be widely used in various applications in a circuit, such as:

• Audio and television systems: adjust the audio level, adjust the sensitivity of the electronic components.
• Power amplifier systems: adjusting current and voltage.
• Computer systems: adjust the operation parameters, such as color, brightness, contrast, etc.
• Automotive electronics: adjust brake system parameters.
• Robotic system: adjust motion parameters.

Working Principle

The 3299Z-1-202LF trimmer potentiometer is composed of a resistive path and two sliding contacts called wiper. The position of the wiper is adjusted by manually turning the control knob on the trimmer. When turning the knob, the wiper moves along the resistance path, gradually changing the resistance value between the two terminals A and B. The resistance value between terminals A and C is fixed and known as fixed resistance value. The resistance value between terminal B and C depends on the position of wiper, and it called variable resistance value.

This trimmer potentiometer is often used as a voltage divider. Applying an input voltage to terminal A and C, an output voltage is obtained at terminal B. The output voltage is determined by the relative sizes of the fixed resistance value and the variable resistance. The amount of output voltage can be set by manually adjusting the wiper’s position.

Conclusion

The 3299Z-1-202LF trimmer potentiometer is a small, adjustable, three-terminal resistor, which is widely used in various application fields. The working principle of this trimmer is that it can adjust the output voltage by manually changing the position of the wiper along the resistive path. As a result, it can be widely used for calibration and adjustment in circuits.