78LR200KLF

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Trimmer potentiometers are a type of electrical component that allows a user to adjust the amount of voltage passing through a circuit by adjusting a variable resistor. One such device is the 78LR200KLF, commonly referred to as a “trim pot”. The 78LR200KLF is a 3-terminal trimming potentiometer that offers a resistance range from 200 ohms to 5K. Its small size, low cost and ease of use make it a popular choice for various control applications.

The 78LR200KLF has a voltage rating of 75 volts maximum and a power rating of 0.125 watts. It has a body construction of epoxy with copper alloy contacts and a silver conductive film. It features a round "top hat" type shaft that can be adjusted using the tip of an ordinary screwdriver. The top hat diameter is 3.2mm while the full shaft length is 6.4mm.

The 78LR200KLF is designed to be used in a wide range of applications. It is common in audio applications, especially as a volume control on amplifiers. It is also used as a variable resistor in medical devices, automotive systems, security systems and telecommunications equipment. In addition, it is popular for consumer-level electronic projects such as LED lighting, dimmer switches and game controllers.

The working principle of the 78LR200KLF is relatively simple. When a voltage is applied to the two exterior terminals, the resistor becomes active and only a portion of the current is allowed to pass through. The amount of current passing through can be adjusted by turning the shaft, which varies the resistance. This allows for precise control over the voltage passing through the circuit.

The 78LR200KLF is an inexpensive and versatile solution for applications that require the precise adjustment of voltage. It is easy to install and use, making it a popular choice for various electronic control applications. It is especially suited for audio applications, but can be used in virtually any application where precise voltage control is required.

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