The 577404B00000G is a Channel 5700 series board level heat sink engineered to cool TO-202 devices. It features an aluminum construction with black anodize finish and is designed for horizontal or vertical mounting orientations. The heat sink has a width of 13.21 mm, height of 19.05 mm, and length of 12.7 mm, with a mounting hole diameter of 3.81 mm. Device attachment requires a separate mounting kit, and the product is RoHS compliant. This heat sink is ideal for applications requiring efficient thermal management of TO-202 packaged components in space-constrained board-level cooling scenarios.