The AAVID THERMALLOY part 574602B03300G is a passive heat sink designed for use with TO-220 packages. Made from high-quality aluminum, it offers excellent heat dissipation capabilities with a thermal resistance of 21.6°C/W. The heat sink features a black anodized finish that not only enhances its aesthetic appeal but also provides increased corrosion resistance. This through-hole mount heat sink is a reliable solution to effectively manage heat in various applications, ensuring optimal performance and longevity of electronic components.