PTV112-4220A-A1503

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Rotary potentiometers and rheostats are both electronic devices used to create variable electrical resistance in circuits. Depending on the application, the values of resistance can range widely. The PTV112-4220A-A1503 is a potentiometer, particularly used in low-power linear applications such as audio systems or process control circuits.

It is a 3-terminal, rotary-type device, intended for manual adjustments of resistance. It uses a screw shaft that progressively changes resistance based on how far the shaft is turned. The movement of the shaft creates net current flow between the other two terminals, which then creates a voltage drop across the center terminal. This voltage drop is the signal that is used to control other components in the circuit.

The PTV112-4220A-A1503 is composed of a conductive track material that is connected to the three terminals. As the shaft is turned, the contact point between the track and each terminal moves. The position of the contact point affects the value of resistor between the terminals. It also determines the signal voltage created by the device.

The application of the device depends on the movement of its shaft. When used in audio systems, it is used to adjust the volume or balance between left and right speakers. When used in process control, it is used to adjust the speed of motors or other components. It can also be used to adjust lighting brightness or dimness, such as in dimmer switches. Other applications include AC power regulation and testing of electrical components and systems.

The PTV112-4220A-A1503 has a power rating of 0.25 Watts, making it suitable for low power applications. It can be mounted onto a panel or mounted on a shaft. When the device is mounted on a panel, two screws are used to secure the device. When mounted on a shaft, a nut or washer is used to secure the device.

all potentiometers, the resistance of PTV112-4220A-A1503 is logarithmic; meaning that the resistance increases or decreases in a linear manner as the shaft is turned. Because there is no mechanical switch, the resistance will be continuous, as opposed to a rheostat which has two terminals and only two levels of resistance.

The PTV112-4220A-A1503 is part of a different line of potentiometer products, which are categorized according to power ratings, electrical contact materials, resistance values, voltage ratings, and temperature ratings. Its ratings make it suitable for low power applications such as audio systems, process control circuits and lighting dimmers.

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