Understanding the structure of an LED linear light helps you choose the right product and troubleshoot issues. This guide breaks down every component — from the aluminum profile to the power supply — with photos and material specifications.
12 Components
Material Guide
What Makes Up an LED Linear Light?
An LED linear light is an assembly of several key components. Each part plays a specific role — from heat dissipation to light diffusion to electrical connection.
Core components:
Aluminum Profile
PC Diffuser Cover
End Caps
Mounting Accessories
LED Strip Light
Power Supply
Dimmer / Controller
Component Deep Dive
Aluminum Profile (6063-T5)
Lightstec uses aluminum alloy 6063-T5 for all linear light profiles. T5 tempering involves high-temperature extrusion, cooling, and artificial aging — producing a profile with excellent mechanical properties.
Why 6063-T5?
- Good thermal conductivity (heat dissipation)
- Lightweight yet rigid
- Excellent extrusion — complex shapes possible
- High mechanical strength and rigidity
- Good machining performance
Surface finish:
Alkali-sand silver oxidation — a high-concentration alkali bath creates an ultra-smooth, corrosion-resistant surface with consistent color.
PC Diffuser Cover
Our diffuser covers are made from Polycarbonate (PC) — an engineering plastic with a carbonate ester polymer chain. Aromatic PC is the only type with industrial-scale production and is the fastest-growing engineering plastic.
PC cover advantages:
- Heat resistant: up to 120–140°C
- Fire rating: V2 (self-extinguishing)
- UV resistant: excellent outdoor aging performance
- Electrical insulation: stable even in wet/high-temp conditions
- Light diffusion: uniform, glare-free output
End Caps
End caps seal both ends of the linear light, protecting the internal components and giving a clean finished look.
Available materials:
- PC (polycarbonate) — lightweight, insulating
- Aluminum — matches profile color, premium look
Lightstec Note: Aluminum end caps are color-matched to the profile for a seamless, professional finish.
Mounting Accessories
Every linear light needs hardware for installation. Lightstec provides a complete accessory kit with each product.
Mounting Clips
Connectors
Screws
Suspension Wires
Accessory materials:
| Material | Used For | Key Property |
|---|---|---|
| Stainless Steel 304 | Clips, screws | Corrosion resistant, outdoor-safe |
| Manganese Steel | Spring clips | High elasticity, strong grip |
| Iron | Screws, brackets | Low cost, high strength |
| Copper | Connectors | Excellent electrical conductivity |
Electrical Components
The light source and control system complete the linear light. These are the most critical parts for performance and longevity.
LED Strip Light
LED Dimmer
LED Power Supply
LED Strip Light
The light source. Available in single color, RGB, RGBW, tunable white, and COB options. View strips →
Power Supply
Converts AC to DC (12V/24V). Must match strip wattage with 20% headroom. Guide →
Dimmer / Controller
Controls brightness and color. Options: 0-10V, PWM, WiFi, RF remote. Sensors available for motion/light detection.
Need Custom LED Linear Lights?
Lightstec manufactures LED linear lights with premium 6063-T5 profiles, PC diffusers, and complete accessory kits. Custom lengths, colors, and configurations available.
About Author
JerryHu
Founder of Lightstec.Engineering degree.More than 13 years working experience in led lighting business.Familiar with producing led lighting products.This blog share you knowledge and solution in led lighting.Welcome sourcing led lights from China.
Learn More Professional Led Classes Which Less People Tell You Before You Make Mistake.
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