The ST-4TH200R is a trimming potentiometer manufactured by Copal Electronics Inc. These components are designed for precise resistance adjustment in electronic circuits. They are typically small in size and intended for fine-tuning applications where accuracy and stability are crucial.

Applications

• Calibration of electronic devices: Used in the precise calibration of instruments like multimeters, oscilloscopes, and signal generators.
• Audio equipment: Provides fine adjustments in amplifiers, mixers, and equalizers for optimizing sound quality.
• Power supply adjustment: Employed to set and stabilize the output voltage in regulated power supplies.
• Sensor calibration: Used in calibrating various types of sensors, including temperature, pressure, and light sensors.
• Servo control systems: Provides feedback for precise motor control and positioning in servo systems.

Features

• High adjustment resolution: Allows for fine and precise resistance adjustments.
• Stable resistance value: Ensures consistent performance over time and varying environmental conditions.
• Compact design: Suitable for use in space-constrained circuit boards.
• Sealed construction: Protects the internal components from dust, moisture, and other contaminants.
• Through-hole mounting: Facilitates easy installation and soldering onto PCBs.

Benefits

• Precise circuit calibration: Enables accurate and reliable adjustment of electronic circuit parameters.
• Improved device performance: Optimizes the performance and accuracy of electronic devices.
• Cost-effective adjustment solution: Provides an economical means of fine-tuning circuits.
• Ease of use: Simple to install and adjust, even without extensive technical expertise.
• Versatile application: Suitable for a wide range of electronic applications requiring precise adjustments.

Additional Details

The ST-4TH200R typically uses a cermet resistive element, which provides excellent stability and a long lifespan. The resistance is adjusted by turning a screw, which moves a wiper arm along the resistive element. This particular model has a resistance value of 20 Ohms. The power rating is typically around 0.5W at 70°C. These trimming potentiometers are designed to meet industry standards for environmental protection and reliability.