, Inc.The KL-169/SN is an extruded heatsink manufactured by Seifert, Inc. for use with a variety of electronic components, such as SOT32, SOT93, TO126, TO218, TO220, TO247, and TOP3. It has an aluminium base and a black anodised finish for durability. The KL-169/SN is a universal heatsink, made to fit most of the industry standard packages. It offers passive cooling with an aluminum base and fins that dissipate heat away from the device. It has an effective thermal impedance of around 0.9°C/W. The KL-169/SN has been designed with the utmost attention to detail and precision to ensure maximum performance and durability.