25WR5KLF

Series:	25
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	5 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 - 0.270" x 0.270" Face x 0.190" H (6.86mm x 6.86mm x 4.83mm)

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Trimmer Potentiometers: 25WR5KLF Application Field and Working Principle

Trimmer potentiometers are adjustable resistors used to precisely match resistances to achieve better electrical performance and meet design requirements in relatively small circuit areas. Among various types of trimmer resistors, the 25WR5KLF, also known as a five-turn trimmer, is increasingly popular and widely used in electronic devices, equipment, and circuits. 25WR5KLF is a miniature, five-turn, adjustable trimmer potentiometer, generally in small packages, with a top-adjustable configuration and a range of up to 5KΩ. It is used for fine-tuning in applications requiring precise adjustment, such as Medical, Industrial, Audio sectors, and others. This potentiometer is ideal for applications such as AGC (automatic gain control), tone control, pulse-width modulation, frequency compensation, record level control, balance control, and similar circuits.In a trimmer potentiometer, a core element is a resistive element embedded in the device. It is a thin film component made on an insulating substrate. The thin film process uses a reactive sputtering process to deposit a metallic layer and then is covered with a protective layer. The resistive element consists of two terminals that are physically and electrically connected to two conducting tracks on which the potentiometer will rotate.In the 25WR5KLF trimmer potentiometer, the wiper tip is driven by a cam mechanism which generates a partial revolution, allowing for precise, stepwise adjustment of up to 5KΩ resistance. Typically, in this type of trimmer potentiometer, the adjustment is made using a screwdriver tip with a screwdriver slot, but this potentimeter also features a threaded or "knurled" adjustment shaft, making it suitable for manual fine tuning. A trimmer potentiometer may also feature a metal-to-metal connection, as is the case with the 25WR5KLF, which eliminates the need for adjustment screws.To use the 20WR5KLF in a circuit, it is important to ensure that the terminal resistance of the resistor is low enough so that it does not create an excessive voltage drop. This problem can be eliminated by connecting the resistor to the signal source and keeping the resistance below the source voltage. Furthermore, the potentiometer should not cause any excessive loading on the circuit and should also have a low noise floor.A further advantage of the 25WR5KLF is its tolerant tolerance, which is below the recommended standard of 5%. This ensures precise calibration and repeatability when used in an application. Thanks to its high tolerance levels, a low power requirement, and a wide range of temperature resistance, the 25WR5KLF is ideal for applications such as audio control, AGC, tone control, frequency compensation, etc.The user should note that trimmer potentiometers should be handled with caution, as they are sensitive to shock and vibration, and can be easily damaged if not used properly. Additionally, the adjustment knob should be set to the manufacturer\'s recommended offset before use. Overall, the 25WR5KLF is an extremely versatile trimmer potentiometer, suitable for a wide range of applications. It features a low power requirement, a wide range of temperature resistance, and an excellent tolerance rating, allowing for precise calibration and repeatability. Furthermore, its sturdy design and robust construction make it suitable for industrial and medical applications, as well as audio devices and other intricate applications.

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