252B203B50NB

Series:	252
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Axis:	2 with Switch(s)
Resistance:	20 kOhms
Power (Watts):	0.0125W
Tolerance:	±20%
Adjustment Type:	Top Adjustment
Rotation Angle:	50°
Mounting Type:	Through Hole
Size / Dimension:	Square - 0.815" L x 0.807" W x 0.957" H (20.70mm x 20.50mm x 24.30mm)

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Joystick Potentiometers

Joystick potentiometers, abbreviated as 252B203B50NB, are electrical components typically used to sense the displacement of the acting object. Generally, a joystick potentiometer consists of a three-axis potentiometer, such as a linear variable differential transformer (LVDT), a two-axis potentiometer, and a rotary encoder. They are widely used in industrial motion control and automation systems, gaming systems, laboratory measuring systems, fully-automated tools, and machine vision systems. Additionally, they can be found in devices such as printers, scanners, touch screen displays, autofocus cameras, accelerometers, and more.

Application Field

Joystick potentiometers are used in a wide range of applications around the world. The most common application is for control and automation systems, especially in industries that require precise motion control, such as medical, aerospace, automotive, and military. For example, joystick potentiometers can be used to precisely position robotic arms in medical procedures, guide aircrafts to their landing zones, or guide tanks in battlefields.In addition, joystick potentiometers are also used in gaming systems for game controllers. The joystick’s ability to accurately detect the direction and magnitude of movement makes them well suited for controlling the motion of game characters or objects in virtual reality applications.Joystick potentiometers are also used in laboratory measuringystems. The potentiometer allows for extremely precise measuring of various dynamical signals. For example, it can be used to measure the vibration of machinery, the position of motors, the speed of objects, or the force of a product or material.

Working Principle

The way a joystick potentiometer works differs depending on its type, but generally, they consist of three parts: a sensing element, a contact arm, and a lever. The sensing element is typically a resistive element, such as a linear variable differential transformer (LVDT). The LVDT works by using two coils, a primary coil, and a secondary coil. The primary coil generates a high frequency magnetic field. When the contact arm moves, it generates an interrupt within the secondary coil, changing the voltage level. This voltage change is then detected and used to measure the movement of the contact arm.The lever is then connected to the contact arm, allowing it to move accordingly. As the lever moves, the voltage of the LVDT’s secondary coil changes, resulting in an output voltage that can be used to detect the displacement of the lever.

Conclusion

Joystick potentiometers are a critical component of many industrial motion control and automation systems, gaming systems, laboratory measuring systems, and machine vision systems. They consist of a sensing element, typically a LVDT, a contact arm, and a lever, and are capable of detecting the displacement of an acting object with an extraordinary degree of accuracy. They are increasingly being used in a wide range of industries around the world, due to their low cost and their ability to provide precise and accurate feedback.

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