Fischer-Elektronik-Cool-Rail-32mm-H-Heat-Sinks-Fischer-Elektronik-SK-76-50-SA-p-The-Fischer-Elektronik-4-2-Cool-Rail-50-x-32-x-20mm-Heat-Sink-has-been-specially-developed-for-voltage-regulators-transistors-thyristors-triacs-etc-The-effective-heat-dissipation-make-it-ideal-for-a-wide-range-of-applications-br-p-Fischer-Elektronik-SK-76-50-SA-Cool-Rail-SK-76-50-SA-Heat-Sink-4-2-C-W