SM-42B201

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Trimmer Potentiometers are a type of potentiometer used for controlling and calibrating electrical applications. They are typically used in applications such as voltage regulation, audio control, and adjusting variable resistance in circuit boards. The SM-42B201 is one of the most popular trimmer potentiometers in the market today, due to its variety of applications and robust build quality. It is commonly used in precision electronic circuitry, control systems, and power amplifiers.

The SM-42B201 is a three-terminal, long-life, ceramic trimmer potentiometer designed for use in high-precision electrical applications. It features a conductive plastic element and bushing body, plus a wide range of resistance values and rotational life. The adjustment is made through a 1.2 mm threaded stainless steel trimmer piece. It also features a support bracket, a separate metal adapter, and silicone rubber gaskets.

One of the most notable features of the SM-42B201 is its low power consumption and durable construction. The bushing body is constructed from a high-grade ceramic material that has excellent insulation properties and can easily withstand high-temperature environments. The conductive plastic element helps protect the wire from any environmental elements, such as dirt or moisture. The trimmer piece is also made of stainless steel, providing high corrosion resistance.

The working principle of SM-42B201 is relatively simple. As the trimmer piece is rotated, the resistor within the pot shifts its resistance between the two outer terminals. This resistance creates a voltage drop across the terminals, which can then be used to adjust the output of the circuit. The rotational life of the trimmer can range from over 50,000 to hundreds of millions of cycles.

The SM-42B201 is used in many different applications, such as in the automotive industry to adjust and regulate car audio, engine control systems, and start/stop ignition systems. It is also used in the energy industry to control DC power supply to sensitive electronic equipment, and in medical equipment to adjust voltage and current output for more precise measurements. The SM-42B201 can also be used in consumer electronics such as digital music players, remote control equipment, cellular phones, and even toys.

The SM-42B201 is a great choice for any application that requires precise control and calibration. Its robust construction and low power consumption make it suitable for use in harsh environments, while its long-life and high resistance accuracy make it perfect for precision electronic circuitry and control systems. Whether you are using it for automotive applications, energy control, or consumer electronics, the SM-42B201 is an excellent choice.

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