The BOURNS part 3400S-1-501L is a high-quality resistor potentiometer designed for precise control in electronic circuits. It has a resistance value of 500 Ohm with a tolerance of 3%, making it extremely accurate in maintaining desired settings. This potentiometer is capable of handling up to 5W of power and offers 10 electrical turns and 10 mechanical turns. Its compact size measures at 6.34mm in diameter, and it features solder lug panel mounting for secure and easy installation. The BOURNS 3400S-1-501L is a reliable and versatile solution for various applications requiring precise resistance control.