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Custom High-Efficiency Extruded Heat Sinks
Winshare Thermal offers a variety of standard and custom extrusion profiles to meet your precise thermal management needs
Frame 1321318651

What are Extrusion Heat Sinks?

We heat aluminum and push it through a die. It forms a long shape with fins and base in one piece. Cool air flows between fins. Heat leaves fast.
Core Features:
One-piece design: Fins and base from same metal.
High fin density: More surface for air cooling.
Smooth flow: Straight fins guide air well.
Light metal: Aluminum keeps weight low.
Strong build: Solid shape. No weak spots.
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Extrusion Heat Sink Product Categories

Extrusion Heat Sinks: Why They Are the Right Choice for You

Low cos

Best for large-volume production.

Fast to make

Simple die. Quick delivery.

Good heat move

Aluminum 6063. High conductivity.

Custom shape

Any fin height, width, or length.

Wide use

Consumer gear, industrial machines, EV chargers.

Trusted quality

ISO 9001 & TS 16949 certified.

Our Custom Extrusion Heat Sink Manufacturing Process

At Winshare Thermal, we understand that different applications require unique heat sink dimensions and performance. Therefore, we not only offer a range of industry-standard extruded heat sink profiles, optimized for quick deployment and meeting most common cooling needs, but we also specialize in providing comprehensive and flexible customization services. Our standard profiles range from basic flat-back and U-channel designs to more complex T-, H-, and fin array designs to accommodate diverse installation environments and airflow conditions. For more challenging projects, our engineering team can work closely with you to design custom extrusion dies and profiles from scratch. This means the heat sink will perfectly fit your specific space constraints, heat load requirements, and mechanical installation requirements. In addition to customizing the profiles themselves, we also offer a comprehensive range of secondary processing services, including precision cutting, CNC machining, a variety of surface treatments, and assembly services. Choosing Winshare Thermal ensures you receive an extruded heat sink solution that combines flexibility, cost-effectiveness, and superior performance.
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Standard profile examples

A variety of general profiles to quickly meet common needs.
 
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Customized profile design

Design new molds and profiles according to your unique needs.
 
Frame 1321318718 (1)

Precision cutting and CNC machining

High-precision cutting, drilling, tapping, milling and other secondary processing.
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Diverse surface treatment

Anodizing, electrophoresis, sandblasting, etc. to improve performance and appearance.

Extrusion Heat Sink Technical Specifications

Specification Item Detailed Description
Materials High quality aluminum alloy, mainly including- AL6063-T5: has good extrusion and surface treatment properties, and high thermal conductivity. - AL6061-T6: Higher strength, suitable for applications with higher structural requirements.
Dimensional accuracy High precision, in line with industry standards, up to ±0.05mm
Maximum width up to 500mm (20 inches)
Maximum height up to 100mm (4 inches)
Maximum length up to 6000mm (20 feet), can be cut according to needs
Fin thickness minimum 0.8mm (0.031 inches)
Fin pitch Minimum 1.5mm (0.059 inches)
Dimensional tolerances in line with industry standards, typically ±0.1mm (0.004 in) or better, depending on the design.
Surface treatment anodizing: black, transparent, blue, gold and other colors, improve corrosion resistance and radiant heat dissipation capabilities. - Electrophoresis: Provides a uniform coating with excellent corrosion protection. - Sandblasting/brushing: Improve surface texture and enhance the appearance.
Surface roughness can reach Ra 1.6 - 3.2, meeting the surface flatness requirements of different applications.
Note The above are typical specifications. We can provide more detailed or customized parameters according to your specific project needs.
 

Extrusion Heat Sinks: Why They Are the Right Choice for You

LED

LED lighting

High-power LED street lights, factory lighting, stage lighting, and plant growth lights. Extruded heat sinks effectively manage the high heat generated by LED chips, extending the life of the lamp and maintaining stable light efficiency.
 
 
 
 
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Power Electronics

In high-power density applications such as server power supplies, communication power modules, UPS (uninterruptible power supplies), industrial frequency converters, electric vehicle charging stations, and photovoltaic inverters, extruded heat sinks ensure that power semiconductor devices (such as IGBTs and MOSFETs) operate within a safe temperature range, preventing overheating and failure.
gongyeshebei

Industrial control and automation

Industrial PCs, programmable logic controllers (PLCs), servo drives, and robot controllers. In harsh industrial environments, extruded heat sinks provide reliable heat dissipation for sensitive electronic components, ensuring long-term stable operation of the equipment.
 
 
 
电信

Telecommunications

5G base stations, routers, network switches, and data center servers. As data transmission rates increase, the heat generated by communication equipment increases dramatically. Extruded heat sinks provide an efficient passive cooling solution to reduce operating costs.
消费电子

Consumer Electronics

High-performance desktop CPU/GPU cooling, game consoles, home theater systems, and large-screen TVs. In consumer electronics products that pursue extreme performance and compact design, customized extruded heat sinks can optimize heat dissipation efficiency and enhance user experience.
新能源

New Energy Vehicles

Power battery management system (BMS), motor controller, and onboard charger. New energy vehicles have extremely high heat dissipation requirements. Extruded heat sinks are key components that ensure stable operation of the power system under various driving conditions.

Extrusion Heat Sinks FAQ

  • Q Can you provide thermal performance simulation report of extruded heat sink?

    A Yes, we have a team of experienced engineers who can perform detailed thermal simulation analysis using advanced CFD (Computational Fluid Dynamics) software. We can provide you with accurate thermal performance predictions and optimization recommendations to verify design feasibility before physical prototyping.

  • Q What are the main advantages of extruded heat sinks?

    A The main advantages of extruded heat sinks include: extremely high cost-effectiveness (especially in high-volume production), fast production speed, lightweight, good thermal conductivity and relatively flexible design potential, which can realize high aspect ratio fins.

  • Q What is the difference between an extruded heat sink and a CNC machined heat sink?

    A Extruded heat sinks are formed through continuous extrusion, which has relatively low mold costs. They are more suitable for high-volume, cost-sensitive standardized or semi-custom profile production. The fins are usually straight. CNC machined heat sinks are cut from solid metal blocks using CNC machines. They have higher precision and can achieve more complex geometries and non-straight fins. They are suitable for low-volume, high-precision, and complex custom structures.

  • Q How to choose the appropriate extruded heat sink size and fin density?

    A Choosing the right extruded heat sink requires considering factors such as your device's power consumption (heat load), available physical space, airflow conditions (natural convection or forced fan), ambient temperature, and target junction temperature. Our thermal design engineers will provide expert calculations and selection recommendations based on your specific application needs.

  • Q What are the recommended surface finishes for extruded heat sinks?

    A The most common surface treatment is anodizing (available in a variety of colors, including black, transparent, and blue), which effectively improves the heat sink's insulation, corrosion resistance, and radiant heat dissipation. We also offer electrophoresis and sandblasting to meet specific appearance and performance requirements.

Ready for Optimal Thermal Performance?

Don't let overheating limit your innovation. Partner with Winshare Thermal, expert heat sink manufacturers dedicated to crafting custom thermal solutions that perfectly fit your unique needs.
Guangdong Winshare Thermal Technology Co,Ltd. Founded in 2009 focused on high-power cooling solutions for the development, production and technical services, committed to becoming a new energy field thermal management leader for the mission.

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Phone: +86-18025912990
E-mail: wst01@winsharethermal.com

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