PTR902-2020K-A504

Temperature Coefficient:	--
Mounting Type:	Panel Mount
Bushing Thread:	M7 x 0.75
Actuator Diameter:	0.236" (6.00mm)
Actuator Length:	0.787" (20.00mm)
Actuator Type:	Knurled and Slotted
Termination Style:	PC Pins, Board Locks
Resistive Material:	Carbon
Adjustment Type:	Side Adjustment
Rotation:	300°
Number of Turns:	1
Series:	Pro Audio PTR90
Power (Watts):	0.025W, 1/40W
Built in Switch:	Rotary, SPST
Number of Gangs:	2
Tolerance:	±20%
Resistance (Ohms):	500k
Taper:	Logarithmic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Rotary Potentiometers, Rheostats: PTR902-2020K-A504 Application Field and Working PrincipleRotary Potentiometers, also called Potentiometer for short, and Rheostats which are associated with resistance, are crucial features in many electronic applications. Over the past few decades, a wide range of different types of electronic components with variable types of resistance have been developed and tested, with the end goal of serving different purposes in various applications, with quality and reliability. One of these components is the PTR902-2020K-A504 rotary potentiometer and rheostat. It allows for resistance modifications between terminals, or in other words, it regulates the flow of electricity. This potentiometer and rheostat come in a variety of forms, recently gained its popularity due to its numerous advantages in terms of size and performance.Application Fieldthe PTR902-2020K-A504 rotary potentiometer and rheostat are used primarily in applications including controlling the current or voltage, as well as to monitor electrical signals wherever a variable resistance is applicable. The major application fields of this component are voltage-divider circuits, such as volume control, as well as in control systems. The rotary potentiometer and rheostat can be used for signal adjustment, as in variable resistance or in controlling other electrical parameters. It can also be used in multi-turn potentiometer applications, for example in adjusters, dimmers, potentiometer rotary and latching switches, potentiometer assemblies, and many others. These components have also found use in motor speed controllers, which use a rotating wiper arm drive to operate the variable resistance in the potentiometer.Working PrincipleThe PTR902-2020K-A504 rheostat and rotary potentiometer works with the help of a wiper, which is moved by a rotating shaft, as well as a conductive element. From this resistance, voltage or current depends on the positioning of the wiper on the resistive element. The user can control the electrical input of the device by manually rotating the shaft, which will mechanically move the wiper and connected contact/contacts. The contacts, in turn, will measure the resistance between the two terminals at the given point.The variable resistance of this device is adjustable and can be applied to different components which require a constant and adjustable voltage, or in instrumentation amplifiers, or for providing feedback in circuits, or controlling dimmers, and other applications needing continuously variable resistance.ConclusionThe PTR902-2020K-A504 rotary potentiometer and rheostat, being such an essential component in many electronic devices, provides a reliable, cost-effective, and efficient solution. It can be used in applications such as voltage regulation, motor speed control, signal adjustments etc. It works mainly with the use of wiper arms connected to the conductive element, connected to the two terminals. This allows for adjustable resistance in certain applications. Overall, the potentiometer and rheostat have a wide range of applications, and when searching for a reliable solution applicable to the applications mentioned above, the PTR902-2020K-A504 is the most recommended option.

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