Fischer-Elektronik-Extruded-Aluminium-Heat-Sink-6-5-deg-C-W-TO-220-SOT-23-TO-3P-fischer-elektronik-SK129-38-1-STS-A-PCB-screw-mounting-heat-sink-that-is-constructed-from-black-anodised-extruded-aluminium-The-configuration-of-this-heat-sink-makes-it-suitable-for-use-with-device-packages-TO-220-SOT-32-&-TO-3P-A-thermal-resistance-of-6-5-deg-C-W-together-with-the-aluminium-construction-for-optimum-device-contact-&-black-anodised-finish-to-increase-radiative-heat-loss-maximises-the-therma