51AAA-B28-A20L

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

Rotary potentiometers (also known as “pots”) and rheostats are two popular electrical components used to measure and control voltage and current. The 51AAA-B18-A20L is one type of rotary potentiometer that belongs to a family of resistive devices with a rotatable shaft. This particular model is designed to be used in audio, video, and other types of electronic devices. It has a total resolution of 24 steps with a single turn and a power rating of 0.5 watts.

A potentiometer is a three-terminal electronic component that contains a resistive element which can be adjusted and varied. This manually adjustable resistive element is connected between two of the terminals eliminating one of the connections. By rotating the shaft or slider of the potentiometer, the resistance between the two terminals can be varied. The wiper contact of the potentiometer moves across a resistive element creating a variable voltage divider.

The 51AAA-B18-A20L is a rotary potentiometer that has two terminals and a rotatable shaft. The shaft is connected to a resistive element which is typically a carbon film or ceramic element. The resistance between the two terminals can be varied by rotating the shaft between its two end positions. As the contact moves across the resistance element, a variable voltage is developed at the wiper contact that is proportional to the amount of rotation. This type of potentiometer is typically used for volume control on an audio device such as a stereo.

Rheostats are two terminal components that contain a resistive element. Unlike a potentiometer, a rheostat only has two terminals which are connected to the resistive element. By increasing or decreasing the resistance in the resistive element, the current flowing through it can be varied. Unlike a potentiometer, a rheostat does not have a wiper contact that moves across a resistive element. The resistance in a rheostat is changed by either turning a knob or varying the electrical current.

Rheostats are typically used to adjust the current in an electrical circuit, while potentiometers are used to adjust the voltage. They both dissipate heat when current passes through them and as a result, they have limited power ratings. The 51AAA-B18-A20L is a low power rotary potentiometer with a power rating of 0.5 watts, making it suitable for most audio and video applications.

In conclusion, the 51AAA-B18-A20L is a rotary potentiometer that is designed to be used with audio and video components. It has two terminals and a rotatable shaft and uses a resistive element such as a carbon film or ceramic element to control the voltage output. This type of potentiometer is commonly used for volume control in electronic devices while rheostats are used to adjust the current in a circuit. Both of these components dissipate heat when current passes through them and have limited power ratings.

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