The TMC2KJ-B4.7K-TR is a through-hole mount, carbon film trimmer potentiometer manufactured by Noble. These potentiometers are designed for precise electrical resistance adjustments within circuits, making them suitable for various calibration and control applications.

Applications

• Audio Equipment: Volume controls, tone adjustments, and gain settings in amplifiers and mixers.
• Instrumentation: Calibration of sensors, adjusting meter ranges, and fine-tuning test equipment.
• Power Supplies: Voltage and current adjustments in regulated power supplies.
• Control Systems: Setting parameters in motor controllers, adjusting servo positions, and calibrating feedback loops.
• Lighting Controls: Dimmer switches and color temperature adjustments.

Features

• Carbon Film Element: Provides a stable and reliable resistance value.
• Through-Hole Mounting: Designed for easy installation on printed circuit boards (PCBs).
• Compact Size: Suitable for applications where space is limited.
• Rotary Adjustment: Allows for precise and repeatable adjustments.
• Sealed Construction: Offers protection against dust and contaminants.

Benefits

• Precise Adjustment: Enables fine-tuning of circuit parameters for optimal performance.
• Stable Resistance: Ensures consistent performance over time and temperature.
• Easy Installation: Simplifies assembly and reduces manufacturing costs.
• Long Lifespan: Provides reliable operation over an extended period.
• Cost-Effective: Offers a balance of performance and affordability.

Additional Details

The TMC2KJ series features a carbon composition resistive element. This potentiometer has a resistance value of 4.7k Ohms with a tolerance of typically ±30%. The power rating is commonly around 0.1 to 0.25 Watts. It is designed to be mounted onto PCBs via through-hole soldering. These trimmers are generally designed for single-turn adjustments. The operating temperature range is usually between -10°C and +70°C. The 'TR' suffix typically indicates tape and reel packaging for automated assembly processes. The rotational life is typically rated for hundreds of cycles, depending on the specific model.