3501H-1-503L

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 and Rheostats are devices designed to resist or regulate the flow of electrical current. The 3501H-1-503L is a common type of these devices, consisting of three terminals and a rotating shaft, which serves as a control knob.

When the shaft is rotated, it changes the relationship between the three terminals, varying the resistance and thus the flow of current. This enables accurate adjustment of the current in a variety of applications, including audio equipment, motors, and voltage regulators.

Rheostat Application

Rheostats are most often used to regulate current levels in electrical systems. They may be configured to restrict the flow of current in one direction, while allowing it to pass freely in the other. They are commonly used in heating systems, such as electric heaters and furnaces. They are also found in home and office lighting systems, where they reduce current to conserve power, and in motor controls where they limit the current to safe levels.

Potentiometer Application

Potentiometers, or “pots”, are variable resistors which, like rheostats, vary the current flowing through them. However, they are generally used to measure the voltage, rather than regulate it. They are used in many audio applications, including volume control, equalization, and tone control in sound systems, musical instruments, and amplifiers. They are also found in the speed controls of various pieces of machinery, from aircraft and automotive engines to toys and model railroad systems.

3501H-1-503L Working Principle

The 3501H-1-503L operates on the same principle as other variable resistor devices. It consists of a variable resistor element and three terminals connected to it. The terminals are labeled “A,” “B,” and “C.” The second terminal, labeled “B”, is connected to a central tap. When the shaft is rotated, the resistance between the other two terminals (“A” and “C”) is changed, depending on the angle of rotation. The central tap, labeled “B”, remains constant.

For example, in a sound system, the variable resistor may be used as a volume control. When the shaft is rotated clockwise, it moves the wiper contact along the resistance element. This increases the resistance between A and C, resulting in a lower volume level. If the shaft is then rotated counterclockwise, the wiper moves along the element in the opposite direction, reducing the resistance and resulting in a higher volume level.

Conclusion

The 3501H-1-503L is a versatile and useful device, found in a wide range of applications. Both rheostats and potentiometers, of which the 3501H-1-503L is one type, are likely to remain important in the future, as they are used in many different settings. The 3501H-1-503L is just one of many types of variable resistors used to regulate or measure the flow of current.

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