3386R-1-501LF

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Trimmer Potentiometers

Trimmer potentiometers are small, adjustable, multi-turn or single-turn variable resistors or rheostats (resistance with an adjustable tap). Trimmer potentiometers are generally used to finely adjust the operating parameters of a circuit.

3386R-1-501LF Application Field and Working Principle

The 3386R-1-501LF trimmer potentiometer from Bourns features a minimal footprint of 2.0 mm x 1.6 mm. This device has a resistance range of 1 kiloohm, a power rating of 0.125W, and a total track resistance of 1 kiloohm. It provides between 10 and 30 turns of rotational operation. It is a 1/4-inch square trimmer potentiometer, with a single-turn element, and an operating temperature range of -55°C to +125°C.

The 3386R-1-501LF potentiometer is a multi-layer device. It consists of a pair of middle resistive tracks of slider and wiper, which are connected at opposite ends to two internal tracks of resistor components. The middle resistive track is connected to a central metal conductor in the center of the part. The two internal resistor tracks are connected to a pair of terminal contacts at either end of the device.

The working principle of a trimmer potentiometer is based on the principle of a variable resistor. The resistance of the device can be adjusted by a rotating knob on the potentiometer. The knob is connected to a slider, which moves between two intermediate taps on the resistance tracks. As the knob is rotated, the slider moves from one end of the track to the other and the resistance changes accordingly.

The range of the adjustable voltage of the 3386R-1-501LF trimmer potentiometer is 0.03V to 0.2V. It is suitable for a variety of applications, including temperature and voltage sensing, level setting, and adjustment of the power supply. The 3386R-1-501LF is capable of high-accuracy operations and can be used in many communication, computer, audio, and automotive systems.

The 3386R-1-501LF trimmer potentiometer from Bourns offers low cost with minimal footprint and superior performance. It is ideal for applications that require precision adjustment of voltage and resistance values. The device has high reliability and long working life, and is available in a range of resistor values and styles.

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