OSRAM LUMILUX® T5 | 40W 6500K | Circline 2GX13 4-Pin Fluorescent Bulb

The Osram Lumilux T5 Circline is a high-performance circular fluorescent lamp designed to provide superior illumination in a compact, shadow-free format. Delivering 3,300 lumens with a crisp 6500K Cool Daylight color temperature, this 40W lamp is ideal for environments that require bright, natural light. Featuring a 2GX13 4-pin base and a slim 16mm tube diameter, it offers high energy efficiency and a high color rendering index (CRI 80-89) for excellent visual clarity. Its circular design ensures uniform light distribution, making it a preferred choice for low-profile ceiling luminaires in both commercial and industrial applications.

Advanced Circular Lighting Technology

The Lumilux T5 Circline series by OSRAM is engineered for longevity and consistent light quality. The circular geometry eliminates the shadows often found at the ends of linear tubes, providing a clean and professional look for modern circular fixtures. Optimized for use with Osram Quicktronic ECG ballasts, this lamp maximizes energy savings while maintaining a stable luminous flux throughout its service life.

• Shadow-Free Illumination: Uniform light output perfect for flat, round luminaires.
• High Visual Comfort: CRI 80-89 ensures vibrant and accurate color representation.
• Energy Efficiency: T5 technology offers superior lumens-per-watt compared to older circular formats.
• Slim Design: 16mm tube diameter allows for sleeker, lower-profile fixture designs.

Technical Specifications

• Brand: OSRAM
• Product Line: LUMILUX® T5 Circline
• Wattage: 40W
• Luminous Flux: 3,300 lm
• Color Temperature: 6500K (Cool Daylight)
• Color Rendering Index (CRI): 80..89 Ra
• Base Type: 2GX13 (4-Pin)
• Dimensions: 12" (305 mm) Diameter x 5/8" (16 mm) Tube Width
• UPC Code: 4050300528502
• Country of Origin: Italy

Common Applications

• Commercial Spaces: Modern office buildings and retail store displays.
• Hospitality: Lobbies, hotels, and upscale restaurant venues.
• Public Sector: Schools, government buildings, and hospitals.
• Industrial: Facilities and supermarkets requiring high-intensity daylight illumination.