LED Luminaire Heat Sink
LED Luminaire Heat Sink
Extruded aluminium heat sink engineered for LED luminaires to hold junction temperature within specification across the fixture's rated life.

Product Overview
An LED luminaire's rated life is quoted at a defined junction temperature. Run the junction hotter and the quoted figure stops applying — output drops, colour shifts and life shortens. The heat sink is the component that determines whether the rated figure is met in a real installation rather than on a specification sheet.
Typical applications
- LED downlights
- Industrial and commercial luminaires
- High-bay fixtures
- Outdoor lighting
Specifications
| Material | Aluminium 6063-T5 |
| Process | Extrusion + CNC machining |
| Recommended LED Power | 10 - 200 W (design dependent) |
| Target Junction Temperature | Below 85 C, per LED specification |
| Thermal Performance | Modelled at design stage, verified by prototype measurement |
| Fin Thickness | 1.0 - 3.0 mm |
| Fin Height | 15 - 70 mm |
| Base Flatness | 0.10 mm for reliable thermal interface contact |
| Mounting | Machined MCPCB mounting surface with tapped fixings |
| Surface Finish | Clear anodizing / black anodizing / sandblasting |
| Quality System | ISO 9001 |
| MOQ | 300 pieces |
| Sample Lead Time | 5 - 7 days |
| Production Lead Time | 45 - 60 days |
| Origin | Dongguan, Guangdong, China |
Specifications are indicative and are finalised against your drawing or sample. Where a requirement falls outside the ranges shown, contact us to confirm feasibility before design freeze.
Manufacturing Capability
In-house process chain
Extrusion, die casting, CNC machining, stamping, anodizing, powder coating and laser marking are performed in our own 12,000 m² facility. Fewer handovers means fewer places for schedule and quality to slip.
Tooling under our control
Extrusion dies, die casting moulds and stamping dies are designed and manufactured in our own tool room, which shortens tooling lead time and allows manufacturability issues to be raised before the tool is cut.
Quality system
ISO 9001, ISO 14001 and IATF 16949 certified. Materials are traceable to heat number, gauges are calibrated on a defined cycle, and dimensional reports are available on request.
Built for OEM programs
We manufacture to your drawings and samples. We are not a design house, which means our focus stays on producing your part accurately, repeatedly and at a competitive cost.
Quality Control
How to Order
- Send your requirementDrawing or 3D model, material, quantity and any critical or cosmetic requirements.
- Quotation and DFM feedbackWe quote with a stated validity period and flag any manufacturability or tolerance concerns before you commit.
- SamplingSamples are produced through the normal production process, typically within 3 to 7 days, with dimensional data where required.
- Approval and toolingOn sample approval we finalise tooling. Tooling is designed and manufactured in-house.
- Bulk productionProduction typically runs 45 to 60 days, with progress reported through the run.
- Inspection and shipmentFinal inspection, packing for export, documentation issued and shipment arranged by sea, air or express.
Frequently Asked Questions
Can you help with thermal design?
Do you manufacture to our drawings?
Can you sign an NDA before we share drawings?
How do I get a quotation?
What are your sample and production lead times?
What payment and shipping terms do you support?
Request a quotation for LED Luminaire Heat Sink
Send your drawing, material specification and target quantity. We will respond with pricing, a realistic lead time and any manufacturability notes you should know before committing.
Email [email protected]Dongguan Zhigao Industrial Co., Ltd. · Dalang Town, Dongguan, Guangdong, China · +86 134 3115 9972 · https://www.zhigaothermal.com
Each component is quoted against the agreed drawing, material, finish and quantity. Samples and production schedules are confirmed for your project. Air, sea and express shipping can be arranged; contact our team to confirm packing, destination and trade terms.
