3352H-1-205

Series:	Trimpot® 3352 - Open Frame
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	2 MOhms
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 and3352H-1-205 Application Fields and Working Principles

Thumbwheel potentiometers, also commonly referred to as rotary technic, are variable resistors with a rotating shaft that interacts with a wheel track. And 3352H-1-205 is one of the popular mini thumbwheel potentiometers, and are commonly used in applications such as volume control. This article is intended to provide a deeper understanding of the applicability and working mechanism of 3352H-1-205.

The Features and Electrical Characteristics of 3352H-1-205

The 3352H-1-205 has a rotating shaft with a wheel track in the center that works with a rotary disc. The wheel track is a semicircular track and allows adjustments to be made based on the user’s needs. It is designed with two terminals, one for the rotary shaft and the other for the track. Its rotational range is limited between 0 to 120 degrees when the resistive track is circular. The central shaft has an angular velocity of 10 degrees per turn, allowing for precision adjustment. The electrical characteristics of the 3352H-1-205 include a voltage rating of 10KVAC and a power rating of 0.5W maximum. In addition, the 3352H-1-205 offers a wide temperature range, from -40 to +125 degrees Celsius.

Applications and Working Principles of 3352H-1-205

The 3352H-1-205 offers many applications in the fields of industrial, automotive, aviation, military, medical and other industries. In industrial applications, it can be used for controlling process variables such as flow, temperature and pressure. In automotive applications, it can be used for controlling functions such as fuel injection, ignition timing and airbag deployment. In aviation, it can be used for flights control systems, such as controlling the lift of the engines and propellers. In military applications, it can be used for controlling weapons targeting, while in medical applications, it can be used for regulating drug dosage.The working principle of the 3352H-1-205 is based on the resistance of the rotational contact. It has a copper disc attached to the contact which is then connected to a Mylar resistance track. This enables the contact to provide a certain resistance value when adjusted. As the disc is rotated, the resistance value of the contact increases or decreases depending on the position of the disc. As the contact is adjusted, the resistance value of the contact changes accordingly, allowing for precise control of the process variable.

Conclusion

In conclusion, the 3352H-1-205 is a mini thumbwheel potentiometer that offers versatility and precision in its applications. Its resistance value can be adjusted accurately and this allows for process variables to be controlled accurately. It has broad applications in industrial, automotive, aviation, military and medical fields, where accuracy is of utmost importance.

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