The AAVID THERMALLOY part 581102B02500G is a high-quality passive heat sink designed for TO-220 components. Made from durable aluminum, this heat sink efficiently dissipates heat, ensuring optimal performance and reliability for your electronics. With a thermal resistance of 16.8°C/W, it effectively cools down your components and prevents overheating. The black anodized finish adds a sleek and professional look to your assembly. This through-hole heat sink is easy to install and provides excellent thermal management for your electronic devices.