.The ATS-PCBT1087 is a black heat sink with no thermal interface material (TIM) manufactured by Advanced Thermal Solutions. It features a board level stamped (BL) design to provide a secure, reliable connection with the integrated circuit (IC) and board assembly. The dimensions of this heat sink are 42.5mm x 25.4mm x 25.2mm, making it suitable for use with TO220 packaged IC components. The ATS-PCBT1087 does not come with fasteners, so they must be purchased separately. This heat sink is ideal for use in demanding applications in a variety of industries, including telecommunications, industrial, medical, military, automotive, and aerospace.