LED Downlights

Product Specifications

Technical details and manufacturing context for LED Downlights

Definition

LED downlights are integrated lighting fixtures that combine LED light sources, drivers, heat sinks, and optical components within a housing designed for recessed ceiling mounting. They provide energy-efficient, directional illumination for various indoor applications including residential, commercial, and industrial spaces. These fixtures are characterized by their low profile installation, long lifespan, and excellent color rendering capabilities compared to traditional lighting technologies. The housing is typically made of aluminum alloy for heat dissipation, with polycarbonate lenses or diffusers. The LED chips and electronic components are integral to the fixture. Key parameters include power consumption ranging from 9 to 36 watts, luminous flux from 800 to 3600 lumens (tested per IES LM-79), color temperature from 2700 to 6500 kelvin, beam angle from 15 to 60 degrees, color rendering index from 80 to 95 (per IES TM-30), housing diameter from 75 to 200 millimeters, IP rating from IP54 to IP65 (per IEC 60529), input voltage from 100 to 277 V AC, power factor from 0.9 to 0.95 (per IEC 61000-3-2), operating temperature from -20 to 50 °C, lifespan from 25000 to 50000 hours (L70 per IES LM-80), and weight from 0.3 to 1.5 kg. These values are reference ranges; actual specifications must be confirmed with the manufacturer for specific models. The fixture is designed for recessed installation in ceilings, providing directional light suitable for general or accent lighting. It operates on standard electrical supply and requires proper thermal management to ensure longevity. When selecting, consider the required beam angle, color temperature, and lumen output for the application. Verify that the fixture's IP rating suits the installation environment, especially in damp or dusty areas. Ensure the housing diameter matches the ceiling cutout. The driver must be compatible with the input voltage and power factor requirements. For maintenance, monitor for reduced light output or flickering, which may indicate driver or LED failure. The fixture should be installed by a qualified electrician, and any servicing should be done with power disconnected. The product is not certified for any specific standard unless explicitly stated; always check with the supplier for compliance certificates.

Working Principle

LED downlights operate by converting electrical energy into light through semiconductor materials. When electrical current passes through the LED chips, electrons recombine with electron holes within the semiconductor, releasing energy in the form of photons (light). The driver regulates voltage and current to ensure stable operation, while the heat sink dissipates thermal energy to maintain optimal performance and longevity. Optical components such as reflectors or lenses direct and diffuse the emitted light according to the desired beam angle and distribution pattern.

Common Materials

Aluminum Alloy, Polycarbonate, LED Chips, Electronic Components

Technical Parameters

Parameter	Typical range	Notes & selection driver
Power ConsumptionRequired	9–36 watts	Electrical power input required for operation
Luminous FluxRequired	800–3600 lumens	Total amount of visible light emitted by the fixtureIES LM-79
Color TemperatureRequired	2700–6500 kelvin	Color appearance of the light, ranging from warm to cool white
Beam AngleRequired	15–60 degrees	Angle of light distribution from the fixture
Color Rendering IndexRequired	80–95 index	Ability to reveal colors of objects faithfully compared to natural lightIES TM-30
Housing DiameterRequired	75–200 millimeters	Outer diameter of the fixture housing for installation purposes
IP Rating	IP54–IP65 rating	Ingress Protection rating indicating dust and water resistanceIEC 60529
Input Voltage	100–277 V AC	Universal voltage for global use.
Power Factor	0.9–0.95	High PF reduces harmonic distortion.IEC 61000-3-2
Operating Temperature	-20–50 °C	Extreme temperatures may affect performance.
Lifespan	25000–50000 h	L70 lumen maintenance.IES LM-80
Weight	0.3–1.5 kg	Affects ceiling load and installation.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

LED Module
Primary light source consisting of multiple LED chips arranged on a circuit board

Material: Semiconductor materials (gallium nitride, indium gallium nitride) on aluminum or ceramic substrate
Driver
Regulates electrical current and voltage to ensure stable LED operation and protect against power fluctuations

Material: Electronic components on printed circuit board with epoxy encapsulation
Heat Sink Part
Dissipates thermal energy generated by LEDs to maintain optimal operating temperature and extend lifespan

Material: Aluminum alloy with finned design for maximum surface area
Housing Part
Structural enclosure that contains all components and provides mounting interface for ceiling installation

Material: Aluminum alloy or steel with powder coating
Optical Lens/Reflector Part
Controls light distribution pattern and beam angle through refraction or reflection

Material: Polycarbonate, PMMA, or aluminum with reflective coating
Trim Ring Part
Decorative finishing element that covers the gap between fixture and ceiling, available in various finishes

Material: Aluminum, steel, or plastic with various surface treatments
Spring Clips Part
Mechanical fasteners that secure the fixture to the ceiling opening

Material: Spring steel with corrosion-resistant coating

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for LED Downlights.

Manufacturers of LED Downlights

7 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

ALEDECO Global LED Lighting Limited

Hong Kong, CN

Also makes: LED Street Lights, LED Landscape Lighting, LED Garden Lights and 4 more