43WR100KLFTR

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Trimmer potentiometers (also known as trimpots) are a type of commonly used motorised variable resistor, designed for adjustments that are specific and short-term in nature. They are used to fine-tune the parameters of a particular system, such as the gain of an amplifier, the tuning range of a radio receiver, or the operating frequency of a clock or computer. Trimmer potentiometers come in various styles, including conventional knob-like potentiometers, slide pots, surface-mount assemblies, and chip solutions. One of the more popular models is the 43WR100KLFTR, a three-terminal trimmer with a resistance range of 10,000 ohms to 100,000 ohms.

The 43WR100KLFTR model trimmer potentiometer is typically used in power supply, RF equipment, intercommunication, communication, weapon equipments, and metering instruments. It is a high resistance trimmer with a wide resistance range making it well-suited for many applications. The 43WR100KLFTR is easy to use and provides a stable performance in diverse environments.

Trimmer potentiometers usually operate with a manual adjustment, though some can be interfaced with a motorised system for automatic operation. In the case of the 43WR100KLFTR, there are three terminals where two of them are for the power supply and one for the wiper. The wiper is the terminal which connects to the variable resistor element and makes contact with different levels of resistance as it is moved. When the wiper is in a static position, the resistance between the two other terminals is the same as the resistance of the trimmer potentiometer. The resistance can then be adjusted by rotating the knob or sliding the wiper, depending on the type of trimmer potentiometer.

The internal construction of the 43WR100KLFTR generally consists of two resistive tracks, a wiper and a thermally stable resistor element. When the trimmer is at rest, the wiper tip is placed between two resistive tracks, forming a half-bridge circuit. As the wiper moves, it bridges different portions of the two resistive tracks and the resistance between the two power terminals will change accordingly. The thermally stable resistor element protects the trimmer’s internal circuit from temperature-induced drift.

In summary, the 43WR100KLFTR is a common trimmer potentiometer suitable for a wide range of applications. Its resistance range ranges from 10,000 ohms to 100,000 ohms and is suitable for adjustments of amplitude, frequency, phase, tuning, etc. It offers a stable performance with a wide operating temperature range and is made of thermally stable elements that resists temperature-induced drift. Therefore, it’s an excellent choice for the fine-tuning of specific parameters in a system.

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