The Copal Electronics Inc. ST-4TB-303 is a precision trimming potentiometer designed for fine-tuning and calibration in various electronic applications. The '303' indicates a resistance value of 30 kilohms (30KΩ). The ST-4TB series is known for its compact size and reliable performance. It allows for stable and accurate resistance adjustments, making it suitable for applications where precise settings are crucial.

Applications:

• Calibration equipment
• Audio equipment
• Industrial control systems
• Instrumentation and measurement devices
• Power supplies

Features:

• Compact size for space-constrained applications
• High resolution for precise adjustments
• Stable resistance value over a wide temperature range
• Sealed construction to prevent contamination from dust and moisture
• Through-hole mounting for easy PCB integration

Benefits:

• Enables accurate calibration of electronic circuits
• Provides reliable and consistent performance over time
• Reduces the need for frequent manual adjustments
• Contributes to the extended lifespan of electronic equipment
• Offers a cost-effective solution for resistance trimming requirements

Technical Specifications:

The ST-4TB-303 has a resistance value of 30 kilohms (30KΩ). It typically features a power rating of approximately 0.25W. The operating temperature range usually spans from -55°C to +125°C. The temperature coefficient is typically ±100 ppm/°C, ensuring stability across a wide range of temperatures. The mechanical rotation angle is approximately 210 degrees, allowing for fine adjustment. The terminals are designed for through-hole mounting on printed circuit boards. The component is RoHS compliant, ensuring environmental safety. Its compact dimensions facilitate integration into densely populated circuit boards.