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Pin Fin Heat Sink
- Enhanced thermal dissipation: Pin fin structures offer high surface area density, allowing for efficient heat transfer in compact spaces.
- Omnidirectional airflow efficiency: Unlike linear fins, pin fins enable uniform cooling regardless of airflow direction-ideal for complex system layouts.
- High performance under forced convection: Designed to perform optimally in high-speed airflow environments, ensuring stable operation of heat-sensitive components.
- Configurable geometry: Customizable pin shapes, heights, spacing, and base thickness to meet diverse cooling and spatial requirements.
- Material versatility: Available in aluminum for weight-sensitive systems or copper for applications requiring maximum thermal conductivity.
- Compact design for dense assemblies: Ideal for LED systems, power electronics, and high-performance embedded hardware where space and airflow are limited.
Pin Fin Heat Sink Product
Customization Capabilities
Our pin fin heat sinks can be engineered to meet precise mechanical, thermal, and spatial constraints across a wide range of industries.
- Material Options: Aluminum 6063-T5, 6061-T6, or copper for high thermal demands
- Pin Shapes: Cylindrical, square, conical, elliptical, or hybrid forms
- Pin Size: Adjustable diameter from 2 mm to 10 mm and height up to 50 mm
- Base Plate Thickness: Customizable from 2 mm to 15 mm depending on component footprint
- Surface Treatment: Anodizing (black, silver), chromate coating, or bare finish for enhanced conductivity
- Machining Options: CNC hole drilling, countersinking, mounting slots, and interface surfaces
- Assembly Integration: Support for adhesive bonding, soldering, screw fastening, or clip-in systems
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Why Partner with Sinoextrud for Your Pin Fin Heat Sink Needs?
We are more than just an aluminum profile supplier — we’re your efficient, reliable, long-term partner.
With Us, You Get:Faster turnaround，Stable quality，Competitive pricing，End-to-end support.
Large-Scale Manufacturing：Our factory spans 1,000 mu (about 667,000 m²), with full in-house capabilities from aluminum smelting and billet casting to extrusion, surface treatment, and CNC machining.
One-Stop Solution：With 43 extrusion lines (500–5500 tons) and a dedicated mold partner, we provide fast production, custom profiles, and integrated services to simplify your supply chain.
Quality You Can Trust：Strict quality control ensures consistent dimensions, strength, and finish, reducing your risk and increasing reliability.
Fast Delivery & Cost Efficiency：Self-produced billets, in-house processing, and batch production mean faster lead times and lower overall costs.
Advanced Finishing Options：Anodizing and both vertical and horizontal powder coating lines deliver durable, high-quality surface finishes tailored to your product needs.
Factory Overview
Furnace workshop
Aluminum bar production
Mold Warehouse
500-5500 Tons Extruder
Spraying workshop
Anodizing workshop
Deep Processing Workshop
CNC Machining Workshop
Finished goods warehouse
Finished goods warehouse
Finished goods warehouse
Export warehouse
5500 Ton Extrusion Press
Aluminum extrusion press
Large Aluminum Extrusion Line
Aluminum extrusion production line
Extrusion workshop
IATF 16949 Certification
TUV
Finished goods warehouse
Export warehouse
-Standard Packing Option-
* Long bar length profiles 3.0-6.0 meters*
Protective Film
Shrink Sleeve
Brown Paper
Craft Paper
* Short bar length profiles 0.3-3.0 meters*
EPE Foam
Poly Bag
Wooden Crate
Wooden Case
-Loading & Shipment-
Pallet Loading
Bulk Loading
LCL Loading
Expedited Express
STEPS
How to work with us
Sample & Test
Creating a prototype to assess dimensions and ensure the mold's precision aligns with the requirements.
Extrude & Finish
Producing the aluminum profile with pinpoint accuracy to the given specifications and applying desired finishes.
Pack & Deliver
Tailored packaging for the extruded profiles, ensuring safe and efficient loading for prompt delivery.
Pin Fin Heat Sink-FAQ's
What is the advantage of pin fin design?
Pin fins provide maximum cooling surface in a compact footprint and work efficiently with airflow from any direction.
Can the heat sinks be made from copper?
Yes, copper is available for high-heat applications requiring superior thermal conductivity.
What shapes are available for the fins?
We offer cylindrical, conical, square, elliptical, and hybrid pin shapes.
Are pin fin heat sinks suitable for high-power electronics?
Absolutely-they are ideal for IGBT modules, CPUs, LED arrays, and power converters.
Do you offer custom machining?
Yes, we provide CNC machining, hole placement, and interface surface adjustments.
What surface finishes are available?
Options include anodizing, chromate conversion, or natural finish based on cooling and environmental requirements.
Is prototyping available?
Yes, we can support low-volume sampling before scaling to full production.
Can I integrate it with existing assemblies?
Yes, we can adapt the base for screw mounts, thermal adhesives, or clip-in mechanisms.
What are the standard tolerances?
Tolerances depend on profile complexity but typically meet ±0.2 mm for pin placement and ±0.1 mm for base dimensions.
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Sinoextrud: Your Pin Fin Heat Sink Manufacturer
Pin fin heat sinks from Sinoextrud are engineered for maximum thermal performance in environments where space and airflow orientation are constrained. Their geometric flexibility and omnidirectional efficiency make them the ideal cooling solution for high-density electronic assemblies.
Available in aluminum or copper, each pin array is configured to optimize air turbulence and heat transfer. Whether used in forced convection systems or passive modules, these heat sinks offer reliable thermal control for long-term equipment stability.
Surface treatments such as anodizing or chromate conversion further enhance durability, electrical isolation, or appearance. With precision machining capabilities, each heat sink can be tailored to integrate seamlessly into your existing hardware or enclosure designs.
Whether for industrial control units, lighting systems, automotive electronics, or telecommunication equipment, Sinoextrud delivers application-specific pin fin solutions with consistent performance and dependable supply.
Our extrusion expertise ensures tight tolerances, scalable production, and industry-grade reliability for all your thermal management needs.