Series:	CT94
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:	18
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.378" L x 0.378" W x 0.189" H (9.60mm x 9.60mm x 4.80mm)

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Trimmer Potentiometers

Trimmer Potentiometers is a category of electronically adjustable devices, primarily used for setting voltage levels or resistance in electrical circuits. One of the most popular is the CT94EP202 trimmer potentiometer. This tutorial provides an overview of the application fields and working principle of the CT94EP202 trimmer potentiometer.

Application Fields

The CT94EP202 trimmer potentiometer is primarily used to set voltage levels, resistance, or tuning in electronic circuits. It can be used in a variety of applications ranging from power-supply regulation to test equipment calibration. It is also often used in audio equipment to adjust the volume level and select different signal sources.

Working Principle

Traditional potentiometers are designed with three terminals: two outside terminals and a central wiper. When power is applied, the wiper moves across a resistive element in an arc shape, providing controllable resistance between the two outside terminals.The CT94EP202 trimmer potentiometer operates in a similar way. It has three terminals, two outside terminals and a central wiper. When power is applied, the wiper moves across a circular resistive element, providing an adjustable resistance between the two outside terminals. However, unlike traditional potentiometers, the CT94EP202 also has a small screw which can be adjusted to precisely adjust the resistance between the terminals. The CT94EP202 trimmer potentiometer\'s wiper’s total resistance, between the two outside terminals, is adjustable from 0 to 5 megohms (MΩ). This allows for very precise adjustment of the wiper\'s resistance, usually between 10 kilohms (kΩ) and 50 ohms (Ω).

Conclusions

The CT94EP202 trimmer potentiometer is a versatile and reliable device, which can be used in a variety of applications. Its adjustable resistance, from 0 to 5 MΩ, with an additional screw for precise adjustment, makes it an ideal choice for those seeking to precisely adjust voltage levels, resistance, or tuning in electronic circuits.

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