SYLVANIA Designer 800 | 11W Cool White | T2 Subminiature Axial Base Fluorescent Lamp

The Sylvania 26231 (FM11/841) is a high-performance subminiature T2 fluorescent tube from the prestigious Designer 800 series. Featuring an ultra-slim 7mm diameter and a specialized axial base, this 11W lamp is engineered for low-profile fixtures where space is at a premium. It delivers a bright 4100K Cool White light with 750 initial lumens, utilizing a rare-earth tri-phosphor coating to ensure excellent color accuracy (80 CRI). Outperforming traditional T5 lamps in both efficiency and longevity, this 16.6-inch tube is the professional choice for sleek under-cabinet lighting, retail showcases, and high-end display backlighting.

Ultra-Slim Performance for Discreet Lighting

Designed for applications where the light source must be invisible, the Sylvania T2 axial lamp offers an incredibly thin profile without sacrificing intensity. Its tri-phosphor technology maintains approximately 90% of its brightness throughout its 10,000-hour rated life, ensuring consistent illumination for retail and task areas. This lamp is optimized for use with QUICKTRONIC FM high-frequency electronic ballasts, providing instant-start, flicker-free operation. Whether illuminating a luxury jewelry case or a high-tech workstation, the FM11/841 provides the crisp, clean light required for professional environments.

• Minimal Footprint: 7mm diameter T2 glass allows for ultra-flat fixture designs.
• Superior Rendition: 80 CRI ensures colors appear vibrant and true to life.
• Axial Connection: Double-ended axial contacts provide a secure and reliable electrical path.
• Highly Efficient: Delivers better lumen-per-watt performance than standard T5 preheat tubes.

Technical Specifications

• Brand: Sylvania
• Order Code: 26231
• Designation: FM11/841
• Wattage: 11W
• Bulb Shape: T2 Subminiature
• Color Temperature: 4100K (Cool White)
• Initial Lumens: 750 lm
• Color Rendering Index (CRI): 80
• Base Type: Axial
• Length (MOL): 16.6 inches (422 mm)
• Diameter: 7 mm
• Average Rated Life: 10,000 Hours

Primary Applications

• Display & Retail: Showcase illumination, shelf lighting, and display backlighting.
• Furniture & Cabinetry: Slim under-cabinet lighting and closet accents.
• Task Lighting: Workstation lamps and cove lighting in tight spaces.
• Architectural Accents: Step lights and discreet pathway markers.