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Laptop PC Computer Cooling Sun Flower Heat Sink

We develope and manufacture a variety of aluminum heat sinks used in applications including power modules, electronics devices and many other cooling systems. 

Whether you are looking for quality manufacturing on your custom designed aluminum heatsinks, or seeking early assistance in heatsink design, feel free to contact us. Our team of engineers and sales support staff are here to help.

We can customize heat sink as your requirements. Support OEM/OEM. 100% meets the standards of GB, SGS, CE.






Aluminum alloy 6060,6061,6063,T3,T5


Dimension (Diameter*H)

Up to Φ200*120 mm


Fin Spacing

Minimum 2 mm


Fin thickness

Minimum 1.5 mm


Cooling Capacity

Up to 800 W


Flatness for mounting surface

0.15 mm


Manufacturing Method

Aluminum extrusion PLUS further cnc machining if needed


Cooling Method

Natural or forced air cooling


Surface Finish

Mill finish or anodization


Warranty time

1 year


Place of Region

Jiangsu province of China


Reference Standard

GB/T 3190-2008,GB/T 14846-2008,ISO 2768

Heat sink is a crucial component in electronic devices that aids in dissipating heat and keeping the device cool. The heat generated by electronic components can cause damage to the device if not efficiently removed, leading to malfunction or complete failure. In this article, we will provide a comprehensive guide to heat sink, including its description, features, advantages, and applications.

Heat sinks applications:

- CPUs: Heat sinks are commonly used in CPUs to prevent overheating and improve performance.

- Power Transistors: Heat sinks are used in power transistors to prevent damage and improve reliability.

- LED Lighting: Heat sinks are commonly used in LED lighting to prevent overheating and prolong the lifespan of the LEDs.

- Audio Amplifiers: Heat sinks are used in audio amplifiers to prevent overheating and improve performance.

Product Description for heat sink 12007 to 12008 1

▲ Copper heat sink                            

Heat sinks come in a variety of shapes and sizes, depending on the application. Some of the common features of heat sinks include:

- Finned Heat Sinks: These heat sinks have fins on the surface, allowing for increased surface area and improved heat dissipation.

- Pin Fin Heat Sinks: These heat sinks have a series of pins on the surface that increase the surface area for heat dissipation.

- Extruded Heat Sinks: These heat sinks are manufactured by extruding aluminum or copper into the shape of the heat sink required.

- Skived Heat Sinks: These heat sinks are manufactured by cutting thin slices of copper or aluminum from a larger piece of metal.

Product Description for heat sink 12007 to 12008 2

▲ Skived aluminum heat sink with copper heat pipe

Heat sinks offer several advantages, including:

- Increased lifespan of electronic components – heat sinks help to prevent overheating, which can lead to a decrease in lifespan of electronic components.

- Improved performance – heat sinks allow electronic components to operate at optimal temperatures, improving their overall performance.

- Reduced energy consumption – by maintaining optimal temperatures, heat sinks can reduce the energy consumption of electronic devices.

- Improved reliability – heat sinks can improve the reliability of electronic devices by preventing overheating and subsequent damage to electronic components.

Contact Us

Contact Us

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    Tel : +8625-86136265
    Fax :  +8625-86136302
// :  +86-136-2610-7044
    E-mail : info@njmetalli.com
    Skype : fly20091116

Zip Code: 211111
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