The ST4ETG104 is a trimming potentiometer manufactured by Copal Electronics Inc. These potentiometers are designed for circuit calibration and precise adjustment of resistance values in electronic circuits. They provide a reliable means to fine-tune circuit parameters, ensuring optimal performance and accuracy.

Applications:

• Circuit Calibration: Used in electronic circuits to calibrate and fine-tune resistance values for optimal performance.
• Sensor Adjustment: Employed to adjust the output of sensors to match desired specifications.
• Offset Adjustment: Utilized to nullify offset voltages in amplifiers and other circuits.
• Gain Control: Used for fine-tuning gain in amplifier circuits.
• Frequency Adjustment: Applied to adjust the frequency of oscillators and filters.

Features:

• High Resolution: Provides precise adjustment of resistance values.
• Stable Resistance: Offers stable and reliable resistance values over time and temperature.
• Sealed Construction: Protects against environmental contamination.
• Compact Size: Suitable for space-constrained applications.
• Various Mounting Styles: Available in different mounting configurations to suit various PCB layouts.

Benefits:

• Precise Circuit Tuning: Enables fine-tuning of circuit parameters for optimal performance.
• Improved Circuit Accuracy: Helps achieve greater accuracy in electronic circuits.
• Enhanced Reliability: Stable resistance and sealed construction ensure reliable operation.
• Easy Adjustment: User-friendly adjustment mechanism for simple calibration.
• Wide Application Range: Suitable for a broad range of electronic applications requiring precise resistance adjustment.

Additional Details:

The ST4ETG104 typically has a resistance value of 100 kOhms. The power rating is usually low, suitable for signal-level adjustments. The temperature coefficient is an important parameter affecting stability. The mechanical rotation angle allows for precise setting. The construction often includes a ceramic substrate with a cermet resistive element. The operating temperature range is typically wide enough for industrial applications. It is RoHS compliant. The adjustment mechanism can vary, often requiring a screwdriver for precise tuning.