The TC33X-2-302F is a trimming potentiometer manufactured by Bourns, Inc. It's designed for circuit calibration and adjustment in various electronic devices. This trimming potentiometer allows for fine-tuning of resistance, voltage, or current within a circuit. Its compact design and enclosed construction make it suitable for both manual adjustment and automated processes.

Applications

• Calibration of electronic instruments: Used for precise adjustment in multimeters, oscilloscopes, and signal generators.
• Adjustment of gain in amplifiers: Provides a method to fine-tune the amplification factor in audio and instrumentation amplifiers.
• Setting voltage levels in power supplies: Allows for accurate voltage regulation in power supply circuits.
• Control of motor speed: Used in motor control circuits to adjust the speed of small DC motors.
• Adjusting sensor sensitivity: Enables fine-tuning of the sensitivity in various sensor applications, such as light and temperature sensors.

Features

• Compact size: Small footprint for space-constrained applications.
• Enclosed construction: Protects the resistive element from dust and other contaminants.
• High stability: Provides consistent performance over a wide range of operating conditions.
• Precise adjustment: Allows for accurate and repeatable resistance settings.
• Through-hole mounting: Easy to install on printed circuit boards.
• Linear taper: Provides a linear relationship between the adjustment and the resistance value.

Benefits

• Improved accuracy: Enables precise calibration and adjustment of electronic circuits.
• Enhanced reliability: Enclosed construction protects the resistive element, ensuring long-term stability.
• Increased design flexibility: Compact size allows for use in a wide range of applications.
• Reduced maintenance costs: High stability minimizes the need for frequent recalibration.
• Easy to use: Through-hole mounting simplifies installation and adjustment.
• Consistent performance: Linear taper ensures a predictable relationship between adjustment and resistance.

Technical Specifications

The TC33X-2-302F has a nominal resistance of 3kΩ (302 means 3kilo ohms). The tolerance is typically ±25%. The power rating is typically 0.25W at 70°C. It has a linear taper characteristic. The operating temperature range is typically -25°C to +85°C. It is designed for through-hole mounting on PCBs. The mechanical rotation angle is approximately 210°. It features a single-turn adjustment. The resistive element is typically made of cermet. The adjustment mechanism allows for precise and repeatable settings.