PDA241-HRT00-504A2

Temperature Coefficient:	--
Mounting Type:	Panel Mount
Bushing Thread:	3/8-32
Actuator Diameter:	0.236" (6.00mm)
Actuator Length:	0.748" (19.00mm)
Actuator Type:	Knurled and Slotted
Termination Style:	Solder Lug
Resistive Material:	Carbon
Adjustment Type:	User Defined
Rotation:	300°
Number of Turns:	1
Series:	Pro Audio PDA24
Power (Watts):	0.25W, 1/4W
Built in Switch:	None
Number of Gangs:	1
Tolerance:	±15%
Resistance (Ohms):	500k
Taper:	Logarithmic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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What are Rotary Potentiometers, Rheostats?

The term "potentiometer" is often used interchangeably with the term "rheostat", but it is important to understand the difference between the two terms when it comes to making a selection for use in applications. In electronics, a potentiometer is a three-terminal variable resistor, and a rheostat is a two-terminal adjustable resistor. In their simplest form, both devices are used as variable voltage dividers to adjust current in electronic devices.Rotary potentiometers, also known as variable resistors, are electrical components that adjust a resistance by turning a control shaft. This resistance can be adjusted infinitely within a certain range, making the rotary potentiometers ideal for voltage- or current-setting applications, sound systems, voltage regulation, etc.Rheostats, which are also called variable resistors, are two-terminal devices that adjust a resistance by turning a control shaft. They are mainly used for controlling the current flowing through an electrical circuit, but they can also be used to adjust voltage in certain applications. Rheostats can generally be used in place of variable resistors, since they can both adjust resistance when a voltage supply is present.

The PDA241-HRT00-504A2 Application Field and Working Principle

The PDA241-HRT00-504A2 is a type of dual potentiometer, and it is designed to be used as a variable resistor, either in rotary or linear form. This particular device has two independent potentiometers (one dual-gang and one single-gang) in a single package, allowing for the greatest flexibility when choosing the resistance value and mode of operation.The dual-gang device has one potentiometer that can be adjusted with a 3.6mm screwdriver, and the single-gang device has a potentiometer with a 5mm screwdriver adjustment. Both devices have a rated power of 1/4W, an operating temperature range from -55°C to +125°C, and a linear taper.The most commonly used mechanism for this type of potentiometer is the "worm and gear" drive system. This system works by using a worm gear, which is a toothed gear that is designed to provide a high gear reduction ratio, and a drive gear that is connected to the potentiometer shaft. As the drive gear rotates, the worm gear will cause the shaft to rotate, which will adjust the resistance.Another popular variation of this potentiometer is the "rack and pinion" drive system. This system works by using a pinion, which is a toothed gear that is turned by a shaft, and a linear rack, which is a rigid bar that slides in and out to adjust the resistance. As the pinion rotates, it will cause the rack to move, which will adjust the resistance.The PDA241-HRT00-504A2 is a great choice for applications that require a wide range of resistance values, as well as ones that require precise control of the resistance level. This device is ideal for electronic applications such as automatic gains, voltage regulators, sound systems, motor speed control, and many more. Furthermore, since the PDA241-HRT00-504A2 is designed to operate over a wide temperature range and is able to withstand shocks and vibrations, it can also be used in heavy-duty applications such as industrial machinery and automotive applications.

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