PS45G-B3SBR200K

Series:	PSxxG
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	200 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Adjustment Type:	Top
Fader Type:	Dual
Travel Range:	45mm
Size / Dimension:	Rectangular - 2.835" L x 0.630" W x 0.433" H (72.00mm x 16.00mm x 11.00mm)
Mounting Type:	Through Hole

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Introduction to Slide Potentiometers

Slide Potentiometers are devices used to measure electrical potential, specifically, voltage output. In this function it provides an alternate to other measuring devices such as digital potentiometers, rheostats, and variable resistors. Generally, working in tandem with the resistance an external circuit applies to the output port, the potentiometer produces an output that is proportional to the total voltage.

Slide Potentiometer Basics

Before diving into detail regarding the operation of a slide potentiometer, it would be worthwhile to understand the basic components of the device. It consists of two basic elements, an adjustable slide, and a fixed resistance track. The adjustable slide moves on the fixed track by an electrical current being applied to the moveable component. Because the slide is in contact with the resistive track, the contact resistance changes with the position of the slider.

PS45G-B3SBR200K Application Field and Working Principle

The PS45G-B3SBR200K is a slide potentiometer manufactured by Futech Systems Electronics. It is primarily used in applications that require linear control such as light dimming, motor speed control, and audio systems. The PS45G-B3SBR200K features a durable design, with an internal circuit board and an external plastic casing. The internal circuit board utilizes a three-wire design, incorporating two signal conductors and one common terminal. The power is connected to the middle pin, and the other two pins carry the corresponding signals that are proportional to the output voltage.The movement of the potentiometer is controlled by the electrical current being sent through the internal circuit board. The current is conducted through the two signal pins to the internal circuit board, where it is then regulated by a rheostat. This maintains a constant voltage between the two pins, regardless of the intensity of the current. The resistance to the current is then maintained by an adjustable contact. As the slider slides along the resistive track, the electrical current is maintained, and a linear output voltage is created. The resistance of the track can be adjusted to produce a desired level of voltage, and the entire system is protected from short-circuiting and other potential hazards by the rheostat.The rheostat is also adjustable. This allows the total resistance of the circuit to be adjusted to be best suited to the application. This is especially useful in applications like motor speed control, where different rates or speeds require a different resistance. In conclusion, the PS45G-B3SBR200K is a slide potentiometer capable of producing linear output voltages proportional to the external circuit applied. It can be used in a variety of applications, and can be easily adjusted to be tailored to the specific application.

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