3386S-1-402LF

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Trimmer Potentiometers

Trimmer potentiometers, also known as trimmers and variable resistors, are three-terminal resistors with a large range of resistive values. As their name suggests, they are adjustable six-dimensional resistors that can be used to control various types of electronic devices. The 3386S-1-402LF is a popular trimmer potentiometer. In this article, we will examine the application field and working principle of the 3386S-1-402LF.

Application Field

The 3386S-1-402LF is a versatile trimmer potentiometer ideally suited for a wide variety of applications. It is widely used in electronic circuits to adjust and regulate the electrical resistance between two components. It is typically used in conjunction with an operational amplifier to create feedback control loops, and is also found in audio equipment to allow for precise adjustment of input and output levels. Additionally, the 3386S-1-402LF is ideal for providing adjustable parameters in oscillator feedback loops and in the tuning of buzzers and other instruments susceptible to frequency modulation.

Working Principle

The 3386S-1-402LF trimmer potentiometer operates on Ohm’s Law, which states that the voltage across a resistor is proportional to the current flowing through it. In other words, the greater the current, the larger the voltage. This principle is used to vary the resistance between two points in the circuit, allowing for precise adjustment of electrical resistance levels. The basic construction of the 3386S-1-402LF is a three-terminal device with an adjustable knob or slider, which when moved, adjusts the resistance between the two outer terminals.

The 3386S-1-402LF also features an internal sliding contact which is used to adjust the resistor’s resistance. This sliding contact is connected to a threaded shaft and when the knob or slider is turned, the contact inside moves along the length of the resistor, increasing or decreasing its resistance. The potentiometer’s resistance can also be adjusted using an external voltage source.

Conclusion

In conclusion, the 3386S-1-402LF trimmer potentiometer is a versatile three-terminal device that is widely used in a variety of electronic applications. It operates on Ohm’s Law, allowing it to adjust the resistance between two points in the circuit, providing precise and adjustable parameters. Its uses range from providing adjustable parameters in oscillator feedback loops to audio equipment, allowing for precise adjustment of input and output levels.

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