Choosing the Right Copper Heatsinks or LED Heatsinks

Because copper has a greater thermal conductivity level, copper heatsinks are sometimes necessary for an application. Copper conducts twice the energy of its aluminum counterpart. Copper heatsinks can be put through die-casting and bound together to form plates. Copper heatsinks do have some drawbacks. They are more expensive than aluminum. They are less malleable and heavier. Extruded heatsinks cannot be produced from copper.

A big advantage to using copper is realized in the skived fin technology process. A unified heatsink is created by carving out a single block of copper. Skiving copper increases efficiency by creating an attachable heat source base that is connected to the cooling fin. The skiving solution also increases the thermal conveyance rate, making for a heatsink design that is extremely desirable.

A common alternative to heatsinks made entirely of copper is the uniting of aluminum and copper in a single heatsink. Multiple fins are affixed to a heatsink base made of copper. The copper heat source, of this design, transmits high thermal conductivity that is quickly conveyed to the fins made of aluminum. The benefits of both materials are realized. There is needed high conductivity at the base while affordable aluminum has extrusion capability.

LED heatsinks are designed to absorb and then disperse excess heat. The heat is dispersed from the LED diode to the heatsink. Active and passive air circulation around the heatsink aids in cooling it. LED phosphor is damaged by too much heat. LED heatsinks, subjected to too much heat, will have a decreased lifespan, change color, and produce a lower light output. The most common LED lighting application issue stems from having LED heatsinks or heatsinks that are too small.

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