Extruded Heatsink
PRODUCTS
Cofan Extruded Aluminum Heatsinks – Advanced Thermal Management Solutions
An extruded aluminum heatsink is a precision-engineered thermal management device designed to dissipate heat from high-power electronic components, ensuring they operate within safe temperature ranges and maintain peak performance. The extrusion process involves forcing heated aluminum through a custom die, creating a continuous profile with integrated fins or other features that maximize surface area for heat dissipation.
Cofan’s extruded heatsinks are engineered for low, medium, and high-volume production, making them a cost-effective and high-performance solution for a wide variety of industries — from consumer electronics to aerospace, defense, automotive, and renewable energy systems.
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Why Choose Cofan Extruded Heatsinks?
With over 30 years of expertise in heatsink manufacturing and more than 10,000 custom extrusion dies developed, Cofan offers unmatched design-for-manufacturing (DFM) capabilities. Our engineering team specializes in creating custom heatsink profiles that achieve the optimal balance between thermal efficiency, mechanical strength, weight reduction, and manufacturing cost.
Key Advantages
- High Thermal Performance – Optimized fin structures and profiles for maximum heat dissipation.
- Cost-Effective Production – Economical for both small-batch prototyping and large-scale manufacturing.
- Design Flexibility – Capable of producing complex shapes with integrated mechanical features.
- Material Excellence – Primarily 6063 aluminum alloy, known for its excellent thermal conductivity, machinability, and corrosion resistance. Other alloys like 6061, 6101, and 1060 available for specialized requirements.
- Customizable Fin Density & Orientation – Engineered to enhance airflow efficiency and minimize pressure drop.
- Aesthetic & Protective Finishes – Anodizing, powder coating, painting, or plating for visual appeal and environmental protection.
- Integration Capability – Can be combined with fans, heat pipes, or vapor chambers for enhanced active cooling.
Applications Across Industries
Cofan’s extruded heatsinks are trusted worldwide in critical, high-reliability environments:
Electronics & Computing
- Consumer Devices – Laptops, gaming consoles, smartphones, and audio amplifiers.
- Networking – Routers, servers, and data center switches.
- High-Performance Computing – Supercomputers, AI hardware, and GPU clusters.
Industrial & Power Systems
- Power Electronics – Inverters, voltage regulators, and power supply units.
- Industrial Automation – CNC machinery, robotics, and motor control systems.
- LED Lighting – High-output industrial LED cooling.
Telecommunications
- Cell Towers & Base Stations – RF amplifiers, antennas, and signal processing units.
Transportation
- Electric & Hybrid Vehicles – Battery pack cooling, motor controllers, and onboard chargers.
- Aerospace & Avionics – Flight control systems, navigation displays, and onboard entertainment.
Energy & Renewable Systems
- Solar Power – Inverters and concentrated photovoltaic cooling.
- Wind Turbines – Control electronics and power converters.
Defense & Space Applications
- Radar & RF Systems – Airborne and ground-based defense systems.
- Satellites – Vacuum-compatible conductive cooling.
- Electronic Warfare Systems – Mission-critical reliability.
Medical Equipment
- Imaging Systems – MRI, CT scanners, and diagnostic instruments.
- Precision Electronics – Patient monitoring and laboratory equipment.
Extrusion Manufacturing Process
The aluminum extrusion process starts with heating a solid billet of aluminum alloy and forcing it through a precision-engineered steel die using a high-tonnage hydraulic press. The resulting profile matches the die’s cross-sectional design, allowing the creation of complex fin geometries, integrated mounting features, and custom mechanical structures.
Die Profile Categories
- Solid Dies – Most economical; ideal for simpler shapes.
- Semi-Hollow Dies – Common for heatsinks with open fins.
- Hollow Dies – Used for designs requiring enclosed features like liquid cooling channels.
Extrusion Press Capabilities
- Small to Medium Presses (500–1,500 tons) – For compact profiles such as CPU/GPU heatsinks.
- Medium to Large Presses (1,500–3,500 tons) – For intricate profiles used in LED lighting, industrial electronics, and moderate power systems.
- Large Presses (3,500+ tons) – For very large profiles up to 22” wide and 9” tall, used in heavy-duty industrial and specialized automotive applications.
Engineering & Design Support
Cofan’s engineering team offers full product design assistance, including:
- Custom Profile Development – Designed to meet precise thermal and spatial requirements.
- Computational Fluid Dynamics (CFD) Simulation – Virtual testing to validate cooling performance before production.
- Rapid Prototyping – Via CNC machining or Cofan’s proprietary Skiving Process.
Fabrication & Finishing Options
We provide flexible supply chain solutions to meet customer needs:
- Raw Extrusion Supply – Full-length or cut-to-length bars.
- Build-to-Print Machining – Precision CNC machining (including 5-axis), drilling, tapping, and assembly.
- Surface Treatments – Anodizing, chromating, powder coating, painting, and plating.
- Marking & Branding – Silk-screening, laser etching, or mechanical engraving.
- Turnkey Assembly – Electromechanical assembly, testing, packaging, and quality assurance.
Performance Enhancement Features
- Integrated screw bosses to reduce secondary machining.
- PCB slots or serrated hardware channels for direct component mounting.
- Optimized airflow channels for natural or forced convection.
- Ability to integrate liquid cooling tubes for hybrid cooling solutions.


















































































































































































































































































































































































































































































