PTD904-2020K-A203

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 PTD90
Power (Watts):	0.025W, 1/40W
Built in Switch:	None
Number of Gangs:	4
Tolerance:	±20%
Resistance (Ohms):	20k
Taper:	Logarithmic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction

Rotary potentiometers, rheostats, or PTD904-2020K-A203 as it is commonly known, are devices used to control the amount of voltage or current that passes through an electronic or an electrical circuit. They are basically two-terminal adjustable resistors that can be manipulated with either a manual dial on the inside, or with a digital control input on the outside. The output of the device is an adjustable voltage or current that is related to the user’s control input.

Types of PTD904-2020K-A203

PTD904-2020K-A203s come in two main types: variable resistors (VRs) and tracking resistors (TRs). Variable resistors (VRs) are designed to provide a continuous resistance adjustment over a predetermined range. As the name implies, these PTD904-2020K-A203s offer adjustable resistance with the help of a dial, knob, or other control. Tracking resistors (TRs) on the other hand, offer a separate control for each of their two terminals and can provide two different overall resistance values in the predetermined range.

Applications of PTD904-2020K-A203

PTD904-2020K-A203s has many applications. They are widely used in the automotive industry for controlling the voltage or current in fuel injectors, carburetors, and other engine components. They are often used in consumer electronic devices to adjust the volume, brightness, and other settings to the user’s requirements. These devices are also used for measuring and controlling the temperature, pressure, and humidity in industrial and industrial-related applications.

Working Principle of PTD904-2020K-A203

The working principle of PTD904-2020K-A203s is relatively simple. The device is equipped with a wiper arm, which is connected to the outside control, that moves across a set of fixed resistors. As the wiper arm is moved, it contacts different parts of the fixed resistors, thus changing the overall resistance between the two terminals. The output of the device is then an adjustable voltage or current that is related to the user’s control input.

Advantages of PTD904-2020K-A203

PTD904-2020K-A203s have many advantages over traditional resistors. First of all, they are easier to use and more accurate than traditional resistors. Secondly, they are more reliable as they are designed to last for extended periods of time. Thirdly, they can provide a wide range of adjustable resistance without the need of external tools or equipment. Lastly, they can be used for measuring and controlling the temperature, pressure, and humidity in industrial applications.

Conclusion

PTD904-2020K-A203s are widely used in the automotive and electronics industry for controlling the voltage or current in fuel injectors, carburetors, other engine components, and in consumer electronic devices. These devices are relatively easy to use and provide a wide range of adjustable resistance. They are also more reliable than traditional resistors and can be used for measuring and controlling the temperature, pressure, and humidity in industrial applications.

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