CT9EW203

Series:	CT9
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	20 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	18
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.378" L x 0.217" W x 0.378" H (9.60mm x 5.50mm x 9.60mm)

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Trimmer Potentiometers

The CT9EW203 is a trimmer potentiometer, or trimmer for short, is a variation of standard potentiometer, a three-terminal electrical device. It is used to measure the voltage output of a circuit, and in some cases it functions as an adjustable voltage divider. Trimmers are most commonly used to fine-tune the voltage output of a circuit, and are especially valuable for large adjustments on circuits operating at a wide range of voltages.Trimmers are also used in gain control, gain tweaking, and circuit diagnostics. In a gain control system, they are typically used to adjust the amount of amplification in a given circuit. This can be useful for debugging a circuit when additional gain is necessary. Additionally, the finer range of adjustment provided by trimmers can help to reduce noise from amplification. Other applications of trimmers include frequency range adjustment, such as frequency adjustment for radio receivers and transmitters, as well as pre-amplifier and phase-locked loop circuits. In addition, they can be used for phase adjustment in circuit boards, providing more precise control of signal output.The CT9EW203 trimmer offers a range of operation up to 3 watts. Its low-power design allows for a wide range of control, with low power consumption and high accuracy. It has an adjustable resistance range of 0 to 5KΩ, and an adjustable wattage range of 0.3W to 3W. The CT9EW203 is designed for an operating temperature range of -55°C to 125°C. It is available in a variety of case sizes, with a variety of mounting options to suit a broad range of applications. The basic working principle of the CT9EW203 is simple. It consists of two variable resistors, one fixed and one adjustable, connected in series between two electrical terminals (pins). The adjustable resistor is known as the wiper arm, and when it is moved, the resistance between the terminals changes, resulting in a change in output voltage. The larger the value of the trimmer, the more linear and precise the output voltage will be. The resistance of the adjustable resistor can be altered with a screwdriver, and its range is usually marked on the trimmer body.The CT9EW203 trimmer has a variety of applications in industrial, commercial, and consumer electronics. Common uses include gain control for feedback amplifier circuits, frequency range adjustment, adjustment of microphone gain and bias, power control, and voltage divider circuits. In addition, trimmers are used in voltage and current regulation systems, as well as in circuit components such as thermocouples and bridges. In conclusion, the CT9EW203 trimmer is a highly useful and versatile device. It offers low power consumption, high accuracy, and a range of adjustment that is ideal for any application needing adjustment of voltage or resistance. Its adjustable resistance range of 0 to 5KΩ is suitable for a wide variety of applications, and the range of available mounting and case options allows for easy integration into any circuit. The simple working principle of the device makes it easy to use and understand. With these features, the CT9EW203 is an attractive and dependable choice for any voltage-control application.

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