HS18

Series:	Apex Precision Power®
Part Status:	Active
Type:	Board Level
Package Cooled:	PDIP
Attachment Method:	Bolt On
Shape:	Rectangular, Fins
Length:	5.421" (139.70mm)
Width:	4.612" (117.14mm)
Diameter:	--
Height Off Base (Height of Fin):	1.500" (38.10mm)
Power Dissipation @ Temperature Rise:	--
Thermal Resistance @ Forced Air Flow:	--
Thermal Resistance @ Natural:	1.00°C/W
Material:	Aluminum
Material Finish:	Black Anodized

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Introduction: Heat sinks are essential components used to keep high-power components, such as processors and motor drivers, cool in order to deliver reliable performance and improve the longevity of the equipment. Heat sinks are a thermal management device used to dissipate heat away from hot components such as resistors and transistors. The process by which the heat is dissipated from the component to the environment is called thermal conduction. HS18 heat sinks provide an easy and efficient way to effectively dissipate heat in very confined spaces.Basic Information: HS18 heat sinks are designed with anodized fins to maximize thermal transfer and improve performance. They are made of highly conductive metal which increases the surface area of contact between the heat source and the heat sink. This increased contact area speeds up thermal transfer as the surface area is much larger than on a standard heat sink. They have a tight pitch that provides increased surface area while maintaining a small size. More heat can be transferred in a smaller space with an HS18 heat sink due to this superior design.Fitting and Fixing: HS18 heat sinks come with a range of fasteners to accompany any type of application. To fit the heat sink, the correct type of screw must be used, depending on the surface to be mounted and the type of clamp used. For example, countersunk screws can be used to fit the heat sink flush with the surface or round head screws and a matching clamp can be used to securely fasten the heat sink in place.Thermal Performance: The HS18 heat sink is designed to dissipate heat quickly and efficiently in very confined spaces. This is done using a combination of anodized fins and increased surface area. The fins increase the surface area of the heat sink as they are all anodized. This provides more conductive pathways for the heat to travel along compared to a plain metal heat sink. The increased surface area of the HS18 also allows for more heat to be dissipated in a smaller space.Working Principle: HS18 heat sinks work on the principle of thermal conduction, or the transfer of heat from one material to another. The HS18 design takes advantage of increased surface area to provide an efficient way to transfer heat away from the hot component. The anodized fins increase the contact between the component and the heat sink, allowing for more efficient conduction of heat from the component to the heat sink. The heat is then dissipated away from the component and into the surrounding air, keeping the component cooler.Conclusion: HS18 heat sinks are an efficient and reliable way to dissipate heat away from components in confined spaces. By taking advantage of the increased surface area, anodized fins, and a range of fasteners, the HS18 provides an efficient way to keep components operating reliably and with improved thermal performance.

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