Heat Sink Fin Types

Bonded fin heat sinks generally offer moderate performance and come at a high cost.

Heat sink fin types.

3 skived heat sinks. A pin fin heat sink is a heat sink that has pins that extend from its base. One for the base and the other for the fins. Citation needed a second type of heat sink fin arrangement is the straight fin.

Types of heat sink active heat sink. This utilizes power for cooling process. A pin is one of the more common heat sink types available on the market. Aluminium heat sink with high efficiency cooling fins.

Active heat sinks are used in liquid cooling system. These are frequently used for physically large applications that require sensible performance like electric welding and dc dc brick applications. A heat sink s fin style can significantly influence its ability to release thermal energy into the environment. Copper has around twice the thermal conductivity of aluminum and faster more efficient heat absorption.

Radian s bga aluminum plate fin designs are high efficiency heatsink cooling products which are ideal for linear air flow environments. These run the entire length of the heat sink. Heat sinks categorized by use of water as clumsy as this category might sound it really just includes solid metal heat sinks assemblies heat sinks using two phase devices and pumped liquid heat sinks. When the heat sink does not utilize a fan it is passive heat sink.

But it is more expensive than aluminum. When the heat sink utilizes fan hsf it is active heat sink. For example a proper design would utilize a radial fin style when cooling a cylindrical shape as opposed to a flat straight fin heat sink. However fin style is generally subject to the shape of the heat generating component.

These bga heat sink devices mount with ez snap mounting clips and or thermal tape to provide optimum cooling for various package sizes and airflow. Some types of heat sinks such as bonded fin can be made of both materials. These heat sinks offer high design flexibility and you can achieve high fin density. The most common heat sink materials are aluminum alloy has one of the higher thermal conductivity values at 229 w mk but is mechanically soft.

Heat sinks produced through this method are normally made from copper. They are produced from a solid block of metal. The pins can be cylindrical elliptical or square.