PDB181-K420K-104B

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
Resistive Material:	Carbon
Adjustment Type:	Side Adjustment
Rotation:	300°
Number of Turns:	1
Series:	Pro Audio PDB18
Power (Watts):	0.2W, 1/5W
Built in Switch:	None
Number of Gangs:	1
Tolerance:	±20%
Resistance (Ohms):	100k
Taper:	Linear
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

PDB181-K420K-104B is a rotary potentiometer and rheostat that can be used in combination to control an electrical current or a wide range of applications. It has a very simple structure and is designed to handle a wide range of current levels, making it one of the most versatile components to work with. The potentiometer and rheostat combination enables it to accurately measure and set precise levels of current for whatever application is required.

Application Field

PDB181-K420K-104B are used in a variety of applications including amplifiers, loudspeakers, and other audio devices, as well as in instrumentation technology for sensors and controllers, radio control systems, air conditioning units, industrial equipment, switching devices, and many other fields. The potentiometer and rheostat are especially useful in applications where precise regulation of input and output current levels is required, such as in temperature control or in applications where high accuracy and repeatability are essential.

Working Principle

The working principle behind the combination of a rotary potentiometer and a rheostat is relatively simple. A rotary shaft connects to the potentiometer or rheostat and when it rotates, it creates a resistance or impedance in the circuit, which can be adjusted and fine-tuned accordingly.The potentiometer is used to set the amount of current flowing through the circuit, while the rheostat adjusts the amount of current being diverted to the output. The two components work together to ensure that the appropriate amount of current is always being generated and regulated.

Advantages

One of the primary advantages of using a potentiometer-rheostat combination is its ability to maintain precise levels of current. This allows for greater control over the current flowing through a device and ensures that the desired operation is maintained over a wider range of settings. Additionally, the combination can be used in conjunction with more complex components, such as temperature sensors, to ensure more efficient and accurate operation. In certain applications, such as audio devices, the combination can also be used to effectively adjust the level of input and output signals. This is especially useful in settings where the input and output need to be regulated to a specific level to ensure optimal performance.

Conclusion

Overall, the combination of a rotary potentiometer and a rheostat is an effective and efficient way to control the current flowing through a circuit or device. It is capable of providing accurate and consistent levels of current over a wide range of applications. With its simple structure and strong performance, the PDB181-K420K-104B can be used in a variety of settings to ensure greater levels of accuracy and performance.

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