SM-43TX500

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Trimmer Potentiometers

SM-43TX500 is a type of trimmer potentiometers, which is widely used to adjust electrical signals. It has been deployed in many industries to delivery accurate levels of signals and control voltage in electronic devices.

Application Field

SM-43TX500 trimmer potentiometer has wide range of industrial applications. It is capable of providing precise resistance control in many electronic applications, including audio equipment, transceivers, television receivers and communication equipment. It is also used in improving the accuracy of heater control, transducer control, adjustable power supply, temperature control and servomechanisms. Additionally, it can be utilized in remote control circuits and provides adjustment of amplitude storage amplifiers.

Working Principle

SM-43TX500 works by measuring an electrical resistance with a three-terminal design. It consists of a rotating contact, called a wiper, that slides around the resistive element which compresses the element providing the necessary resistance. The amount of resistance is normally adjustable in three steps. This range is determined by the maximum and minimum resistance setting. The trimmer potentiometer also serves as an adjustable voltage divider whose value is changed when the wiper is moved.

The external shaft of the potentiometer is used to adjust the resistance across the resistor element. This shaft is usually connected to a knob. When the knob is turned, it turns a helical taper into which the wiper is inserted. By turning the knob or shaft, the wiper slides along the resistive element enabling greater or lower resistance. The voltage at the wiper is a fraction of the voltage at one of the other two terminals, between the two is the total resistance.

For instance, in television receivers, a SM-43TX500 trimmer potentiometer can be utilized to regulate the frequency of the channel tuning. The wiper portion of the trimmer performs this tuning. It adjusts just enough resistance to affect the signal flow, so that it is tuned to the desired frequency.

Advantages

SM-43TX500 trimmer potentiometers offer various advantages over other types of potentiometers. It has a long-life cycle and is reliable even in long-term application. It also offers high accuracy with a better linearity of adjustment in comparison to mechanical potentiometers. Moreover, it does not require frequent turning to set a voltage, and hence helps in extending the life of the potentiometer. Furthermore, it is a low-cost solution and provides a long lifespan with an excellent resistance-to-diameter ratio.

Conclusion

SM-43TX500 trimmer potentiometers are a dependable solution for controlling and regulating electrical signals. It is widely employed in audio equipment, communication devices, television receivers, transceivers and remote control circuits. Utilizing the three-terminal design, the trimmer enables precise control over the resistance and determines the level of the signal flow. Furthermore, it offers long-term reliability, making it a favorable choice for many applications.

The specific data is subject to PDF, and the above content is for reference