TC03X-2-502E

Series:	Trimpot® TC03 - Open Frame
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	5 kOhms
Power (Watts):	0.1W, 1/10W
Tolerance:	±25%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.140" x 0.118" Face x 0.073" H (3.55mm x 3.00mm x 1.85mm)

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Introduction
Trimmer potentiometers are used to adjust the resistance in an analog system or circuit. The TC03X-2-502E is an adjustable trimmer potentiometer designed to provide reliable and repeatable resistance adjustments. It is available in a variety of sizes and resistance values and is suitable for various applications. This article will discuss the application field and working principle of the TC03X-2-502E.

Application Field
The TC03X-2-502E is a precision potentiometer with a low resistance (0.10 ohms max), good power dissipation (2 W max), and long service life (2 million cycles). It can be used in voltage dividers, impedance networks, level shifting circuits, adjustable high-frequency filters, and gain control circuits. Additionally, it can be used for volume, pressure, and temperature regulation, as well as in audio systems, analog signal conditioning, instrumentation, and medical devices. The TC03X-2-502E is also well-suited for use in automotive and industrial control systems, as well as in household appliances and systems.

Working Principle
The TC03X-2-502E is composed of three layers: a contact layer, an insulation layer, and a terminal layer. The contact layer is composed of two contacts that are connected by a resistor. The insulation layer is composed of an insulating material, such as glass or ceramic, which prevents electrical current from passing through it. Finally, the terminal layer is composed of two terminals that allow electrical current to flow in the circuit.

When current passes through the resistor, its resistance is reduced, thereby producing a voltage drop between the two contacts. If the resistance between the contacts is increased, the voltage drop will also increase. The resistance between the contacts can be adjusted using a tool, such as a screwdriver, that is inserted into the terminal layer. By turning the adjusting screw in either direction, the resistance between the contacts can be adjusted to achieve the desired voltage drop.

Conclusion
The TC03X-2-502E is a versatile trimmer potentiometer that can be used in many different applications. It offers reliable and repeatable resistance adjustment and can handle a maximum of 2 watts of power. Additionally, it has good insulation properties and a long life expectancy. The working principle of the TC03X-2-502E is based on the adjustment of the resistance between two contacts, which is achieved by a screwdriver inserted into the terminal layer. This article has provided an overview of the applications and working principle of the TC03X-2-502E trimmer potentiometer.

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