Fischer-Elektronik-1-1-Cool-Rail-132-x-50mm-Heat-Sink-fischer-elektronik-SK-148-100-SA-p-The-Fischer-Elektronik-1-1-Cool-Rail-132-x-50mm-Heat-Sink-has-an-effective-heat-dissipation-making-it-ideal-for-a-wide-range-of-applications-&-has-been-designed-with-a-base-thickness-of-5mm-p-Fischer-Elektronik-SK-148-100-SA-Cool-Rail-132-x-50-Heat-Sink-1-1-C-W