SEIFERT KL-198/63,5/SW/I Heatsink

SEIFERT ELECTRONIC MPN:KL-198/63,5/SW/I. Heatsink: extruded; U; SOT93,TO218,TO220,TO247,TOP3; black. Type of heatsink extruded. Heatsink shape U. Need more?. Service and information. Weight: 69 g. Thermal resistance @200 LFM 3.4°C/W.