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Rotary Potentiometers, Rheostats

Rotary potentiometers and rheostats are two types of adjustable resistive components commonly used in electronics. They are both used to control the voltage or current in an electronic circuit, but each one works differently and has its own specific application.

The 8136R10KL.25 Potentiometer

The 8136R10KL.25 is a type of rotary potentiometer. It is a three-terminal device, with the middle terminal being the wiper or adjuster, and the other two terminals connecting to the ends of the resistor element. When the wiper is adjusted, the resistance across the two outer terminals changes in a linear manner. Depending on the specific resistor, the resistance can range from 0 to 10,000 ohms (10K ohms).The 8136R10KL.25 is a highly reliable and accurate component, capable of withstanding up to 1 watt of power. It can be used in a range of applications, including motor control, positioning systems, and audio equipment.

Applying a Rotary Potentiometer

When applying a rotary potentiometer, the wiper should always be placed at the center of the resistor element. This ensures that the resistor remains symmetrical, and can be adjusted correctly.The 8136R10KL.25 is usually connected in a series circuit. The two outer terminals are connected to the reference voltage, and the wiper is connected to the load. When the wiper is adjusted, the voltage across the load will also change. This can be used to control the speed of a motor, or regulate power to different parts of a circuit.

The 8136R10KL.25 Rheostat

The 8136R10KL.25 is also available as a rheostat. This is similar to the potentiometer, but instead of having a single control element, it uses two control elements. The first element is connected to the reference source, and the second is connected to the load. When the second element is adjusted, the resistance across the two terminals changes.Rheostats are usually used to control the current in a circuit. They are often used in motor controls or power supplies, to adjust the amount of current that flows through the circuit.

Working Principle of a Rotary Potentiometer or Rheostat

The working principle of a rotary potentiometer or rheostat is fairly simple. As the wiper is moved, the resistance across the two outer terminals changes. This changes the voltage or current in the circuit, allowing the user to control the speed or power of the component.Potentiometers and rheostats are both useful components, but each one has its own specific application. Rotary potentiometers are typically used to control voltage or power, while rheostats are used to control current. The 8136R10KL.25 is a capable component, and can be used in many different applications.

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