The AAVID THERMALLOY part 7021B-TC12-MTG is a high-performance heat sink designed for effective heat dissipation in TO-220 packaged electronic components. This passive heat sink features a folded design, made from durable aluminum material, ensuring optimal thermal conductivity. With a thermal resistance of 6.8C/W, this heat sink efficiently dissipates heat, preventing overheating and ensuring the longevity of your electronic devices. The black anodized surface finish not only enhances the aesthetics but also offers improved corrosion resistance. Additionally, this heat sink can be easily mounted using the convenient thru-hole installation method. Upgrade your cooling system with this reliable and efficient heat sink from AAVID THERMALLOY.