The 345AB1000B is a heatsink from ABL Sursum, an electronics company that specializes in many electrical components, including heatsinks, relays, wiring, and light bulbs. The 345AB1000B is a high-quality anodized aluminium heatsink made from high-grade components. It features multiple finned sections that help to improve heat dissipation, and its special formulation allows for an extremely high-temperature rating. This heatsink can handle temperatures up to 250°C, and its overall construction enables it to work efficiently and reliably. With its UV-resistant coating, it is also highly resistant to corrosion and abrasion. This product is easy to install and maintain, and its lightweight construction makes it ideal for many applications.