Fischer-Elektronik-Aluminium-Heat-Sink-Mount-Clip-On-Horizonta-Vertical-Bolt-Fischer-Elektronik-FK-237-SA-220-H-p-The-Fischer-Elektronik-Aluminium-Heat-Sink-Mount-Clip-On-21-C-W-TO-220-A-range-of-clip-on-heat-sinks-that-are-optimally-designed-for-cooling-TO-220-devices-Available-in-horizontal-vertical-or-a-design-suitable-for-both-orientations-A-choice-of-thermal-resistances-ensures-that-together-with-the-mounting-choices-there-is-a-suitable-heat-sink-for-every-application-