CT9X202

Series:	CT9
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	2 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	18
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.378" x 0.217" Face x 0.378" H (9.60mm x 5.50mm x 9.60mm)

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Trimmer Potentiometers

Trimmer Potentiometers are electrical components used to control current and resistance in an electrical circuit. They are used in a variety of applications including audio signal processing, power supply regulation, and thermistor control. The CT9X202 is a trimmer potentiometer that is used for a broad range of applications.

Application Field and Uses

The CT9X202 trimmer potentiometer is used most frequently in electrical circuits requiring high accuracy at a high frequency. It is suitable for applications including automatic voltage and current regulation, temperature control systems, audio systems, radio circuits, and voltage regulators. The CT9X202 is also commonly used in the lighting industry, especially in LED lighting systems, due to its ability to handle very low resistance values and ensure a precise and stable voltage supply.

Design Features

The CT9X202 trimmer potentiometer is designed to offer a high quality and cost effective solution for precision applications. It features a special thrust bearing, which ensures continuous and smooth adjustment of its resistance value. The CT9X202 is available in a wide variety of resistance values, ranging from 0.05 Ω to 47 kΩ. It also has a linear taper. Additionally, the CT9X202 can be adjusted using a mechanical or electrical input. The mechanical adjustment facility is achieved using a thumb wheel, while the electrical adjustment facility can be achieved using an external voltage source.

Working Principle

The CT9X202 trimmer potentiometer works by controlling the flow of current through its adjustable resistor. The adjustable resistor is connected in series with a voltage source. When the voltage across the resistor is altered, the current passing through the resistor also changes. This changes the voltage drop across the resistor, which in turn results in a change in the output resistance of the trimmer potentiometer. This output resistance can then be adjusted by the user via the thumb wheel or external voltage source.

Conclusion

The CT9X202 trimmer potentiometer is a versatile solution for high accuracy applications, offering robust, accurate performance at a cost effective price. Its design features make it a suitable choice for many applications, from LED lighting systems to audio systems. Finally, its working principle is relatively simple, allowing it to control the current passing through the adjustable resistor and enabling the user to adjust the output resistance accordingly.

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