The KL-202/75/SW is an extruded heatsink manufactured by Seifert for a variety of electronic components, such as the SOT93, TO218, TO220, TO247, and TOP3 packages. The heatsink is made from black aluminum and features an integral fan that helps to maintain a consistent operating temperature. It is designed for active cooling and can be used with a variety of power transistors, ICs, FETs, and diodes. The heatsink is suitable for various applications such as motor control, automation, power supplies, and more.