3352H-1-500LF

Series:	Trimpot® 3352 - Open Frame
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	50 Ohms
Power (Watts):	0.5W, 1/2W
Tolerance:	±20%
Number of Turns:	1
Adjustment Type:	Side Adjustment
Size / Dimension:	Round - 0.350" Dia x 0.350" H (8.89mm x 8.89mm)
Termination:	PC Pins
Mounting Type:	Through Hole

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Thumbwheel Potentiometers: 3352H-1-500LF Application Field and Working Principle

Thumbwheel potentiometers, also known as trimmer potentiometers or multi-turn potentiometers, are a type of adjustable knob used to make fine-tuning adjustments to various electronic systems. These potentiometers most commonly come in a round shape, and rotate clockwise or counter-clockwise to make adjustments. The 3352H-1-500LF thumbwheel potentiometers, specifically, come with a slotted screwdriver adjustment system alongside a durable, geared rotator design to allow multi-turn operation. In this article, we will discuss the application field and working principle of the 3352H-1-500LF thumbwheel potentiometers.

Application Field

The 3352H-1-500LF thumbwheel potentiometers are designed for industrial purposes, specifically acting as a multi-turn electrical component for adjustments in various mechanical, electrical, and electronic systems, such as physical-sensing devices, electronic pumping systems, and even specialized control systems. This type of potentiometer is most useful when such adjustments need to be made in a delicate manner with a precise degree of accuracy.For example, 3352H-1-500LF thumbwheel potentiometers are used in industrial CNC machines where a high level of precision and control is needed. They are also similarly applied in encoders, hand-held equipment, and low-voltage power controls. It’s beneficial for these types of applications, since the 3352H-1-500LF thumbwheel potentiometer’s durable rotator and slotted screwdriver adjustment offer up to 500 revolutions, more than enough to fulfill highly specific requirements.

Working Principle

The 3352H-1-500LF is a three-terminal, single-turn potentiometer and operates on a simple working principle. The three terminals correspond to the ends of a wire that is wound in a circular track around a mechanically stationary core, each of the terminals being connected to a central contact on the circular track. The mechanical motion of the rotator causes the wiper contact to move along the track, reacting to the resistance depending on the position on the track. The 3352H-1-500LF uses a durable rotator design, with a geared rotation system for multi-turn operation. As the rotator gear is turned around the metal core, the resistance values between the three terminals are modified, thus adjusting the output signal.This provides the potential for finer adjustment than single-turn potentiometers and is ideal in various control systems where precision is key.

Conclusion

In conclusion, the 3352H-1-500LF thumbwheel potentiometers are designed primarily for industrial applications where precision adjustments need to be made in both mechanical and electronic systems. The working principle behind the 3352H-1-500LF is simple: as the rotator gear is turned around the metal core, the resistance values between the three terminals are modified, thus adjusting the output signal. This provides the potential for finer adjustment than single-turn potentiometers, and is ideal in various control systems where precision is key.

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