RJS20K

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Rotary Potentiometers, Rheostats and RJS20K are all devices that serve the same purpose: they each provide a means to measure how much resistance is present in a current. The RJS20K, however, stands out among these options due to its highly precise results and versatility.

A Rotary Potentiometer, or pot for short, is an electrical device commonly used in many electronic applications. It operates much like a mechanical gear system, with a knob that turns a wheel connected to a potentiometer, which in turn, changes the resistance of the current and gives the user an accurate reading. The resistance is usually measured in ohms and the reading is in volts, though depending on the type of the pot, the range can go from 5k ohms up to 100k ohms.

Rheostats, on the other hand, are electrical devices with two metal contacts that are connected to the same side of the device. As the device is rotated, the contacts move across a resistor element, changing the resistance and allowing the current to be regulated. Rheostats are typically used to dim lights, adjust the volume of an audio system, among other uses.

RJS20K is a product made by Rubycon, and it is a two-terminal feed-through rotary potentiometer, which is highly precise and versatile. The RJS20K is extremely accurate because it relies on an internal optical encoder that registers the position of the potentiometer. The encoder is connected to the stored memory of the device, which records the position of the RJS20K repeatedly to ensure reliability and precision. Additionally, the patented strain relief mechanism effectively prevents the force of the moving parts from exceeding safe limits.

The RJS20K offers eight plants of track resistance between 20k ohms and 200k ohms. It can operate at temperature rated up to 75 degrees Celsius, and has a rated power up to 0.25 watts. The input voltage range is between 6 volts and 40 volts, and its maximum operating speed is rated up to 30,000 rotations per minute. All these features make the RJS20K is an ideal choice for those who seek precise results and reliable performance.

In conclusion, although the concepts behind the operation of Rotary Potentiometers and Rheostats are similar, when precision matters, the Rubycon RJS20K stands out among these options. The device is highly precise and reliable due to its patented strain relief mechanism and internal optical encoder, and can handle a wide range of temperatures and input voltages. The RJS20K is an ideal choice for those applications that require precision and reability.

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