78LR2KLF

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Trimmer Potentiometers are a type of potentiometer, a three-terminal resistor, used as a variable and adjustable voltage divider. They are used in industrial and domestic settings to adjust, calibrate, control and measure electrical signals. The 78LR2KLF is a high quality trimmer potentiometer comprising of two sets of gold plated tracks, giving a precise, accurate and reliable output over the full temperature range.

The 78LR2KLF comprises of a total of three terminals - a centre contact and two end terminals. The centre terminal is connected to the two end terminals with a thin dielectric insulator. This insulator is used to control the resistance across the terminals. By adjusting the position of the end contacts the resistance across the terminals can be varied. In some cases the resistance may be adjusted from 0.5 Ohms to 2.5 Ohms, while in others the range may be much wider.

The 78LR2KLF has a wide variety of application fields, particularly in the electronics industry. It can be used for feedback control of digital audio equipment, such as amplifiers, as well as in power supplies and motor control systems. In addition, the 78LR2KLF can be used to set the frequency of oscillators, adjust the gain of electrical signal amplifiers and as a variable resistance in voltage-sensitive controls. It is also widely used in the manufacturing of consumer products like heating elements in toasters and coffee makers.

The working principle of the 78LR2KLF is based on the concept of ‘positive temperature coefficient’ (PTC). Essentially, the device’s resistance increases as the temperature rises. This allows the device to be precisely calibrated and adjusted to meet specific requirements. The dielectric insulator is used to provide electrical isolation between the end contacts and the centre contact. This means that only an electrical signal is required to vary the resistance across the terminals.

The 78LR2KLF is a robust and reliable trimmer potentiometer, offering optimum performance in a variety of applications. Its unique design allows for precise calibration, adjustable range and reliable operation over a wide temperature range. The 78LR2KLF is a versatile, easy to use and cost effective device, making it an ideal choice for a variety of industrial and domestic applications.

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