3339S-1-103LF

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Trimmer potentiometers are a type of component used in electronic circuits that are adjustable with a range of values. The 3339S-1-103LF is one such trimmer potentiometer, made available in three common sizes, 1.1 cm, 2 cm and 2.5 cm, and is constructed with PES phenolic plastic materials. The product offers adjustable resistance from 500 to 10 kiloohm, and its maximum power rating is 0.5W. It also offers a life cycle of 3,000 cycles and an operating temperature range of -25 to +75 degrees Celsius.

The working principle of 3339S-1-103LF lies in the working mechanism with two terminals for varying the resistance of the component by rotating or turning the outer wheel, and the knurled shaft relative to the resistive element. The rotary part, a disk, is divided into circular tracks specified as internal resistors. The surface of the disk is divided into three parts: the center, which has many contact pins or sockets, and two side parts – the wiper and the contact wheel. After applying the voltage, the contact wheel will move between the wiper and the center pins. The resistance between the center pins and contact wheel will depend on the position of the wiper, which is controllable by turning the wheel. This is how the trimmer potentiometer works.

This trimmer potentiometer is mainly used in industrial applications, aerospace, automotive, audio, communications, medical equipments, and consumer electronic products. It is used in motor control applications, including electric vehicles, motor drives and motor controllers. It is also used in input level control, such as volume, gain, cutoff, balance, EQ and tone control. In addition, it is used in timer circuits, signal conditioning, digital frequency synthesis, frequency tuning and other areas.

As a precision component, 3339S-1-103LF offers the highest accuracy in its class. It is also highly reliable, with a built-in design redundancy that allows for higher stability and durability. Additionally, its adjustable design makes it ideal for use in projects requiring a variable resistance range.

In summary, 3339S-1-103LF trimmer potentiometers are a type of adjustable components used in a variety of applications for setting or changing the resistance in a circuit. They utilize a wheel and contact mechanism that can be adjusted by turning the wheel to change the resistance of the component. Their low-power, reliable, and highly accurate design makes them suitable for use in a number of industrial and consumer applications.

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