The BOURNS part 3329H-1-501LF is a high-quality resistor with a resistance of 500 Ohms. It is a cermet trimmer with a tolerance of 10%, making it ideal for precise adjustments in various electronic applications. With a power rating of 0.5W (1/2W), it can handle moderate power dissipation. The trimmer has a single electrical and mechanical turn for easy and accurate adjustments. It features a convenient pin through-hole design and comes packaged in a tube for protection during transportation and storage.