Filament LED – Sapphire COG

Specification Operating voltage: 220-240V / 50-60Hz Average lifetime: 25,000 hours Unlimited on/off Base: E14, E27 Chips: COG Ra ≥ 80 Color temperature: 2700K Operation at an ambient temperature: -15°C až +40°C

Glass flasks have the same appearance as incandescet bulbs. They suit to the open decorative lamps and particularly to crystal chandeliers.      LED filaments emit light evenly in all directions. Unlike conventional LED chips are encapsulated in a transparent synthetic sapphire and coated with phosphor. The cover is very thin with a diameter of only 1.2 mm and length of 45 mm. Sapphire has a much higher thermal conductivity than glass. This ensures much more better cooling of the chips and thus a much better parameters, than cheaper glass encapsulation. This is COG technology which allows to achieve the efficacy more than 100 lm/W and excellent color rendering index Ra ≥ 80. Aplication:   interiors of historic buildings, theaters, museums, restaurants, hotels, homes etc.