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Miniature Heat Sink
Miniature Heat Sink Product
Customization Capabilities
Our miniature heat sinks are fully customizable to support varying relay configurations and thermal demands.
- Material Grade: Aluminum alloys such as 6063, 6061 with custom tempering options
- Dimensions: Tailored length, width, and height to match SSR mounting footprint
- Fin Density & Shape: Custom fin count, spacing, and geometry to optimize cooling
- Mounting Method: Available with DIN-rail clip, screw mounting pads, or adhesive base
- Surface Treatment: Anodized, natural mill finish, or custom coatings available
- Thermal Performance: Design adjustable for specific power dissipation targets (e.g., 10-80 A SSR thermal loads)
- Machining Accuracy: Tight mounting tolerance within ±0.1 mm to ensure firm SSR contact
- Small Batch Support: Available MOQ per order; samples offered for evaluation
Got a design, sketch, or idea? Share it with us for fast feedback
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Why Partner with Sinoextrud for Your Miniature 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.
Miniature Heat Sink-FAQ's
What current range are these heat sinks suited for?
Ideal for solid-state relays with nominal currents between approximately 10 A to 80 A depending on thermal design.
Can I specify dimensions?
Yes-length, width, and height can be customized to fit your specific SSR unit and mounting configuration.
What mounting methods are supported?
Options include DIN-rail clips, screw-mount tabs, or thermally conductive adhesive bases.
Which aluminum alloys are used?
Typically 6063 or 6061 series, selected for thermal conductivity and structural precision.
Are surface finish choices available?
Yes-standard mill finish, anodized protection, or custom surface coatings per application needs.
Can fins be tailored?
Absolutely-fin spacing, thickness, and shape are optimized for airflow and heat dissipation requirements.
Is the heat sink lightweight?
Yes-miniature format ensures low weight while maintaining effective thermal dispersion.
Do you offer sample or small batch production?
Yes samples and small batch customization are available upon request-MOQ is flexible.
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Sinoextrud: Your Miniature Heat Sink Manufacturer
Miniature aluminum heat sinks provide efficient and compact cooling options for solid-state relays and other small power devices. Their compact design enables effective thermal management in tight installations without bulky added components.
Constructed from high-conductivity aluminum alloys and featuring precision-extruded fins, these heat sinks optimize surface area and airflow. They can be mounted in various ways-such as DIN-rail clipping or adhesive attachment-ensuring secure thermal coupling.
Custom dimensions and finishing ensure seamless integration with your relay or equipment design, while durable surface treatments help resist environmental wear. Lightweight construction offers fast thermal response with minimal weight penalty.
Manufactured with tight machining tolerances and available in flexible order quantities, these heat sinks are ideal for prototyping, small-scale production, or mass deployment in industrial control systems.
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