The electronic part KL-225/38,1/SW/V with a Heatsink is made by Seifert. It is an extruded U-shaped heat sink made from aluminum, and can accommodate SOT32, SOT93, TO126, TO218, TO220, TO247, and TOP3 components. Its dimensions are 225 mm x 38,1 mm x 18.7 mm, and it has mounting holes for a fastening screw on each end. The product is designed to dissipate heat from power transistors, TO packages and smaller components that are prone to overheating.