Extrusion heat sink is a very common heat sink, it come out from a extrusion tooling, then cross cut, and CNC or punch, and anodize(which depends on customer's requet), this process can save a lot of cost, and can meet customer's spec request, so it widely used in heat sink area. but not all the heat sink can be extruded, if you want to extrude a heat sink, the spec should under the above ratio.
Q: What characteristics make a heatsink a good one?
A: High heatsink surface;Good aerodynamics;Good thermal transfer within the heatsink;Perfect flatness of the contact area;Good mounting method.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the heatsinks are in stock. or it is 30-40 days for mass production
Q: Do you provide samples ?
A: Yes, we could offer paid sample for prototypes testing if there is stock.we have thousands of standard heatsinks with different sizes and shapes.