91U1A-T22-B10L

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Rotary Potentiometers, Rheostats: 91U1A-T22-B10L Application Field and Working Principle

Rotary potentiometers, also often referred to as rheostats, are adjustable resistors that are used to regulate voltage and current in many different types of industrial equipment. The 91U1A-T22-B10L is a contact type rotary potentiometer with an integral push-pull switch. It is most commonly used as a volume control, but can also be used for fine-tuning applications or as a variable resistor.

Construction

The 91U1A-T22-B10L is constructed of a metal shaft, plastic top, and plastic body. The metal shaft is driven by an external source of mechanical energy, such as a motor. A metal contact is driven by the shaft and is attached to a ceramic spring element, known as a wiper. As the shaft is rotated, the metal contact is forced along the length of the resistor, changing the resistance between its two ends. The plastic top and body are insulated from the metal shaft and wiper to prevent any short-circuits.

Application

The 91U1A-T22-B10L is typically used in consumer electronics as a variable resistor, such as a volume or tone control. However, it may also be found in industrial settings, such as in the speed control of a motor or the power regulation of a hydraulic system. In either case, the 91U1A-T22-B10L can be used to precisely and accurately adjust the flow of electricity. Additionally, the integrated push-pull switch makes this potentiometer well-suited for applications that require a convenient switching mechanism.

Working Principle

The 91U1A-T22-B10L is a contact type rotary potentiometer, and as such it works by changing the resistance between two ends, as opposed to a linear, light dependent, or other type of potentiometer. The resistance is changed by rotating the metal shaft, which causes the metal contact to be forced along the length of the resistor. This alters the resistance through the resistor, with the resistance increasing as the shaft is rotated in one direction, and decreasing as it is rotated the other.

The integral push-pull switch works by cutting the power to whatever device or system the 91U1A-T22-B10L is controlling when it is engaged. When the switch is disengaged, the device or system is allowed to operate, with its operation being adjusted by the rotary potentiometer. This makes the 91U1A-T22-B10L well-suited for applications that require a convenient switching mechanism.

Conclusion

The 91U1A-T22-B10L is a contact rotary potentiometer with an integrated push-pull switch. It can be used to precisely and accurately adjust the flow of electricity in many different types of applications. It is most commonly used as a volume or tone control in consumer electronics, but can also be used for speed control of motors and power regulation of hydraulic systems. Its working principle is based on changing the resistance between two ends through the rotation of its metal shaft.

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