3266W-1-200LF

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Trimmer Potentiometers

Trimmer potentiometers, also known as trim pots, are adjustable resistors used in electronic circuits to set voltage or current levels. They are small in size but offer adjustable resistance in a wide range of configurations.

3266W-1-200LF Application Field and Working Principle

The 3266W-1-200LF trimmer potentiometer is a three-terminal variable resistive device manufactured by Vishay Intertechnology. It has a resistance range of 200Ω with a maximum power rating of 500mW. The device’s three terminals are labeled A, B, and C, with A being the end farthest from the adjustment knob. The working principle of this device is that the wiper on the adjustment knob connects to the B terminal to form different resistance values by sliding to different positions.

The 3266W-1-200LF is widely used in various types of applications, including medical devices, circuit board designs, and automotive electronics. In these applications, the device is typically used as a voltage divider where the voltage applied to the A and C terminals is divided in proportion to the resistance between them. When the wiper connects to the B terminal, however, its resistance change is equal to the resistance between the wiper and A terminals, thus providing a way to adjust the voltage division ratio to meet the circuit requirements.

This trimmer potentiometer can also be used as an adjustable current regulator. By connecting the B terminal to the negative terminal of the power supply and the A terminal to the load, a voltage is applied across the two terminals. When the wiper is moved to different positions, the resistance between the A and C terminals changes, resulting in a change in the current flowing through the load.

The 3266W-1-200LF is a durable device suitable for use in harsh operating environments, as it is moisture- and dust-resistant. It is also capable of withstanding temperature fluctuations and is available in a 4-lead SOT-23 surface-mount package for easy mounting on circuit boards and panels. Additionally, the device can be adjusted using only small amounts of force, providing precise control.

The 3266W-1-200LF can be used in a wide variety of applications to provide adjustable resistance for precise current and voltage levels. It offers reliable performance in diverse operating conditions as well as a compact design that makes it easy to install. It is therefore widely used in circuit designs to provide a convenient and reliable way to adjust current or voltage levels.

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