CT6EH202

Series:	CT6
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	2 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.323" x 0.276" Face x 0.276" L (8.20mm x 7.00mm x 7.00mm)

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Trimmer Potentiometers: CT6EH202 Application Field and Working Principle

Trimmer potentiometers are essentially miniature adjustable resistors, capable of offering fine adjustable resistance values with the help of a tool, such as a slotted or Phillips screwdriver. These small resistance elements are primarily used for tuning and calibration applications, as well as in automatic device control systems.The CT6EH202 trimmer potentiometer from Alpha Electronics is a 3-pin single-turn device designed for various applications. This device is constructed with a ceramic substrate and temperature-stable epoxy as the main construction materials, and offers a wide resistance range due to its exceptionally low resistance-temperature coefficient (RTC) of 4-6 ppm/K over a wide temperature range.This trimmer potentiometer can also be used in combination with larger series resistors to access wider ranges of resistance, greater than the maximum resistance value of the trimmer itself. This is especially useful when extremely small resistance changes are required and the trimmer is used in combination with a calibrated series resistor.The CT6EH202 trimmer offers excellent linearity, low noise, and good stability. All of these features make it suitable for high-precision instrumentation and control applications, such as voltage or current output control loops.

Application Field

The main application fields of the CT6EH202 trimmer potentiometer are meter calibration, circuit tuning, and voltage regulation. It is particularly suitable for high-precision analogue electronics control, automotive audio systems, temperature controllers, and other precise instrument applications.The device also has the capability to increase the resolution of a signal, particularly in combination with a series resistance element. For example, it can be used for niche applications such as increasing the precision of a voltage or current measurement, or to linearize a non-linear relationship, such as an exponential voltage output.

Working Principle

The working principle of the CT6EH202 trimmer potentiometer is based on the application of electrical power to a variable resistive material, which is usually a resistive carbon film, or other resistive ceramic material. The internal resistance of the element can be changed by applying mechanical pressure to the slider, which is usually done via a sliding arm or a screwdriver.As previously mentioned, the element is also used for voltage regulation applications, where the voltage across a load is regulated by adjusting the value of the resistance in the trimmer. The resistance of the element can also be calculated by measuring the voltage at the two terminals of the trimmer, with the help of an Ohmmeter.In addition, the device is also capable of amplifying small signals by the addition of a voltage divider network. The amplification of the small signals is often used in audio systems, where a small signal from a microphone has to be amplified and sent to the amplifier.

Conclusion

In conclusion, the CT6EH202 trimmer potentiometer is a highly durable and precise device, that offers excellent linearity and stability, as well as compatibility with high temperature applications. It is mainly used for meter calibration, circuit tuning, and voltage regulation, but can also be used for specialty applications such as signal amplification and linearization.

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