72PR500KLFTB

Series:	72
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	500 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.375" x 0.375" Face x 0.187" H (9.53mm x 9.53mm x 4.75mm)

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Trimmer Potentiometers: 72PR500KLFTB Application Field and Working Principle

Trimmer potentiometers are small adjustable devices used for controlling input signal levels and optimizing them for a particular electrical circuit. They are typically used in very small, high-density applications such as signal level adjustments in radios, televisions, disk drives, and other precision electronic systems.A trimmer potentiometer, also referred to as a trimpot, is a type of three-terminal variable resistor that is designed to be adjusted manually without the assistance of external tools. This makes them a great choice for applications that do not require frequent adjustment, such as a signal voltage level or frequency trimming. The trimpot has two fixed terminals and a sliding third terminal. The movement of the third terminal along a resistive track can be used to adjust the resistance of the device. One of the most common types of trimmer potentiometers is the 72PR500KLFTB, which is used in a variety of applications.The 72PR500KLFTB is a three-terminal, top-adjust trimpot made from cermet material. It has a maximum resistance of 500 kilohms and a footprint of 72 millimeters in diameter. The 72PR500KLFTB is most commonly used in circuits to adjust signal levels, such as transmitters and receivers, as well as for fine tuning laser diode systems. It is also used in applications that require a variable source of resistance in order to optimize the performance of a circuit.The working principle of the 72PR500KLFTB is fairly straightforward. The device consists of a ceramic disc with three terminals. Two of the terminals are fixed, while the third is movable. As the third terminal is moved along the resistive track, the resistance of the device is adjusted. This presents the user with a variable source of resistance, which can then be used to precisely tune the electrical parameters of a circuit.In order to adjust the 72PR500KLFTB, a user only needs to turn the adjustment screw on the top of the device. This will cause the nominal resistance of the device to increase or decrease, depending on the direction in which the screw is turned. The adjustment of the device can range from 0ohm to 500kΩ, which allows for very precise tuning of the circuit.The 72PR500KLFTB trimpot can be used in a wide range of applications, from radio transmitter circuits to television tuners. It is ideal for use in high-density systems, as it can be adjusted without the need for any external tools. Furthermore, it is very reliable and can withstand a wide range of environmental conditions.Overall, the 72PR500KLFTB trimpot is an extremely versatile and reliable device that can be used in a variety of applications. Its three-terminal design and top-adjust screw make it a great choice for high-density systems and applications needing precise tuning. With its 500kΩ maximum resistance, it is sure to suit any number of projects.

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