The ST-4TH103 is a trimming potentiometer manufactured by Copal Electronics Inc. These potentiometers are small, adjustable electronic components used to fine-tune circuits. They allow for precise resistance adjustment, making them crucial in various electronic applications where calibration and fine-tuning are essential.

Applications

• Calibration of electronic circuits: Used to adjust voltage, current, or frequency in circuits.
• Audio equipment: Employed in amplifiers and equalizers for volume control and tone adjustment.
• Power supplies: Used to set the output voltage of power supplies.
• Testing and measurement equipment: Integral in calibrating instruments like oscilloscopes and multimeters.
• Robotics: Provides feedback for motor control and position sensing.

Features

• Compact size: Allows for easy integration into densely populated circuit boards.
• High resolution: Offers precise adjustment capabilities.
• Stable resistance: Provides consistent performance over time and temperature changes.
• Sealed construction: Protects against dust and other environmental contaminants.
• Through-hole mounting: Designed for easy installation on printed circuit boards.

Benefits

• Precise circuit tuning: Enables accurate calibration and optimization of electronic circuits.
• Improved performance: Enhances the overall performance and reliability of electronic devices.
• Cost-effective solution: Provides an economical way to adjust circuit parameters.
• Easy to use: Simple to install and adjust, even for users with limited experience.
• Wide range of applications: Suitable for use in a variety of electronic applications.

Additional Details

The ST-4TH103 typically features a carbon composition resistive element and a wiper arm that is adjusted by a screw. The adjustment allows for varying the resistance between the center tap and either end terminal. This particular model has a resistance value of 10K Ohms with a tolerance. The power rating is typically around 0.25W at 70°C. These trimming potentiometers are designed to meet industry standards for environmental protection and reliability.