201UR251B

Series:	201
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Resistance:	250 Ohms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Temperature Coefficient:	--
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Carbon
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.594" x 0.734" Face x 0.220" H (15.10mm x 18.64mm x 5.60mm)

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Trimmer Potentiometers: 201UR251B Application Field and Working PrincipleTrimmer potentiometers, also known as trimmer pots, are small variable resistors used to precisely adjust the functioning of electronic devices. The 201UR251B trimmer is a miniature, 2-pin, single-turn potentiometer. It is widely used in precision applications such as temperature adjustment, instrument tuning, and automatic locking systems. This article will explore the application field and working principle of the 201UR251B.ApplicationsThe 201UR251B trimmer potentiometer is a very high precision device and is well suited for use in a variety of applications. It is often used for applications such as temperature adjustment, instrument tuning, and automatic locking systems. It is also widely used in precision electronics, medical instruments, communication systems, and navigation systems. Furthermore, the 201UR251B can be used to accurately adjust the audio volume of amplifiers and speakers.The 201UR251B can also be used for high-performance applications. It is designed for use in servo and motor feedback loops, where accuracy is essential. It can also be used for controlling synchronization in robotics circuits and for controlling the speed of motorized systems. The 201UR251B is also often used in voltage transient and lightning protection circuits.Working PrincipleThe 201UR251B trimmer potentiometer works on the principle of variable resistance. It is comprised of a carbon or metal film which is deposited onto an insulating substrate. This is then attached to two contacts known as the slider and the terminal. When the slider is moved, the resistance between the two contacts changes. This resistance change is then used to control and adjust the output voltage of a circuit.The 201UR251B trimmer is designed to provide accurate adjustments and is ideal for applications that require precise, high-resolution measurements. It has a single-turn mechanism which provides a full 360° rotation of the slider over a specified range. The range of the adjustment is determined by the range of the potentiometer. The 201UR251B typically has a range of 1 to 10 ohms, which can be adjusted in steps of 0.0001 ohms.ConclusionThe 201UR251B trimmer potentiometer is a versatile and highly precise device which is used in a wide variety of applications. It is typically used for temperature adjustment, instrument tuning, voltage transient and lightning protection circuits, and motor control. The 201UR251B works on the principle of variable resistance and is capable of providing accurate adjustments over a range of 1 to 10 ohms with steps of 0.0001 ohms.

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