The ST-3TA10KOHM(103) is a trimming potentiometer manufactured by Copal Electronics Inc. This component is designed for precise electrical adjustment and calibration in various electronic circuits. It is commonly used to fine-tune resistance values to achieve specific performance characteristics in applications such as audio equipment, instrumentation, and control systems. The (103) designation indicates a resistance value of 10k ohms.

Applications

• Audio equipment (volume control, tone adjustment)
• Instrumentation (calibration of sensors, signal conditioning)
• Control systems (feedback loop adjustment, setpoint control)
• Power supplies (voltage adjustment, current limiting)
• Test and measurement equipment (calibration, range adjustment)

Features

• Through-hole mounting: Designed for easy installation on printed circuit boards (PCBs).
• Carbon composition: Provides a cost-effective and reliable resistive element.
• Single-turn adjustment: Allows for precise and repeatable resistance adjustments.
• Compact size: Suitable for space-constrained applications.
• High stability: Maintains consistent resistance values over time and temperature.

Benefits

• Precise adjustment: Enables fine-tuning of circuit parameters for optimal performance.
• Cost-effective: Provides an economical solution for resistance adjustment needs.
• Easy installation: Through-hole mounting simplifies assembly and maintenance.
• Reliable performance: Carbon composition ensures stable and consistent operation.
• Versatile application: Suitable for a wide range of electronic circuits and applications.

Additional Details

The ST-3TA series potentiometers typically feature a resistance tolerance of ±20%, meaning the actual resistance value may vary within this range. The power rating is generally around 0.1 to 0.25 watts, depending on the specific model. The operating temperature range is typically -10°C to +70°C. The mechanical life is usually specified as a certain number of rotations, indicating the potentiometer's durability. The adjustment mechanism is a simple rotary type, allowing for manual adjustment using a screwdriver or similar tool. The materials used in the potentiometer's construction are selected for their electrical properties and resistance to environmental factors.

When using the ST-3TA10KOHM(103) potentiometer, it's important to consider the power rating and ensure that the power dissipation in the potentiometer does not exceed its maximum rating. Exceeding the power rating can lead to overheating and failure of the component. Additionally, it's essential to protect the potentiometer from excessive mechanical stress, which can damage the adjustment mechanism. Always consult the product datasheet for detailed specifications and recommended operating conditions.