3386V-1-103LF

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Trimmer Potentiometers

A trimmer potentiometer, also known as a trimpot, is a small, electronically variable resistor used to adjust and calibrate circuits. Trimpots are often constructed from cermet, meaning that they contain both ceramic and metal components. Trimpots are typically characterized by three terminals, two of which are fixed relative to the body of the trimpot while the other is adjustable via an actuation mechanism built into the body.

3386V-1-103LF Application Field and Working Principle

The 3386V-1-103LF trimpot is a multi-turn 3386 style trimpot manufactured by Bourns. It is a surface-mount trimpot with a 2mm diameter shaft, providing up to 10 turns of adjustment. It can be used in a wide variety of applications, including multi-turn trimmer adjustment, slow adjustment over time, variable resistor applications and signal dividing.

In operation, the actuation mechanism rotates the wiper along the resistive element from one of the three terminals to the other. The wiper produces a variable voltage or resistance which is determined by its position along the resistive element. Because the device is designed such that the actuation occurs along its surface, it is well-suited to being mounted on a printed circuit board.

The 3386V-1-103LF is notable for its robust construction and high-reliability performance. It is also constructed with a high strain limit and low contact wear, providing a long lifetime of operation with minimal maintenance. Additionally, the device is also rated for a wide operating temperature range, making it suitable for use in environments which may be subject to extreme temperatures.

Ultimately, the 3386V-1-103LF is a versatile and reliable trimpot designed for precision adjustment in a wide variety of applications. Its robust construction and wide operating temperature range make it an ideal choice for applications where precision and reliability are of utmost importance.

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