Sylvania 26231 FM11/841 Designer 800 Series 11W T2 Fluorescent Lamp - 4100K Cool White, Axial Base

The Sylvania 26231 (FM11/841) is a high-performance subminiature T2 fluorescent tube from the Designer 800 series. With its ultra-slim 7 mm diameter and axial base, this 11W lamp enables compact, lightweight fixtures while delivering bright 4100K cool white light (750 initial lumens) and excellent color accuracy (80 CRI). It outperforms traditional T5 preheat lamps in output and longevity (10,000 hours), making it a reliable choice for energy-efficient task and display lighting.

Technical Specifications

• Manufacturer Part Number: 26231 (FM11/841)
• Wattage: 11W
• Bulb Type: T2 Subminiature Linear Fluorescent
• Base: Axial (double-ended axial contacts/pin)
• Color Temperature: 4100K Cool White
• Color Rendering Index (CRI): 80
• Initial Lumens: 750 lm
• Mean Lumens: 675 lm
• Dimensions: 16.60 inches (422 mm approx.) MOL x 7 mm diameter
• Average Rated Life: 10,000 hours

Key Performance Features

• Ultra-compact T2 design (7 mm diameter) for space-saving, low-profile installations
• High lumen output and superior efficiency compared to older T5 preheat lamps
• Rare earth tri-phosphor coating for vibrant, consistent color rendition (80 CRI)
• Excellent lumen maintenance (~90% over life)
• Long 10,000-hour rated life reduces maintenance costs
• Available in multiple color temperatures (3000K, 3500K, 4100K) and wattages (6W/8.6", 8W/12.6", 11W/16.6", 13W/20.6")
• Axial base ensures quick, secure connection
• Compatible with Sylvania QUICKTRONIC FM electronic ballasts (one ballast supports all series wattages)

Recommended Applications

• Undercounter and cabinet lighting
• Shelf and showcase illumination
• Display backlighting and retail fixtures
• Task and workstation lighting
• Step lights and accent applications

Note: This is a traditional fluorescent lamp (not LED). Use with compatible high-frequency electronic ballast (QUICKTRONIC FM series recommended) for instant start, flicker-free operation, and maximum performance. Verify fixture compatibility and proper ventilation.

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