The KL-198/63,5/SW/I is an electronic component manufactured by Seifert. It is an extruded heatsink typically made from U material and comes in a variety of shapes, such as SOT93,TO218,TO220,TO247, and TOP3. The heatsink has a black finish and a pin pitch of 63,5 mm. Its high surface area and good thermal conductivity makes it suitable for use with high power electronics. It can be used with a variety of components, such as transistors, resistors, diodes, and integrated circuits.