The BOURNS PDB241-GTR01-504A2 is a high-quality precision potentiometer with a resistance of 500K Ohm and a tolerance of 20%. This carbon film potentiometer is designed for use in a variety of electronic applications, offering a power rating of 0.25W (1/4W) and featuring a 1 (Electrical)/1 (Mechanical) turn mechanism. The potentiometer has a compact size of 6mm and a durable solder lug panel mount for secure installation. With dimensions of 30.5 x 24 x 28mm, the BOURNS PDB241-GTR01-504A2 is a reliable and versatile component for precise electrical control.