SIGMA T5 Fluorescent Tube – 21W | Warm White | High Efficiency | G5 Base | 863mm
Model No.: T521W-WW
The SIGMA 21W T5 Fluorescent Tube offers high-efficiency lighting with excellent color rendering and long operational life. With a slim 17mm diameter and 863.2mm length, it’s designed for compact luminaires and ceiling module systems where warm, ambient light is preferred.
Key Features
- Wattage: 21W – mid-range power output
- Voltage: Requires compatible ballast
- Base Type: G5 tube base – standard for T5 fittings
- Color Temperature: Warm white – soft and inviting glow
- Luminous Flux: 1800 lumens – bright and efficient
- Bulb Type: T5 – slim and space-saving
- Finish: Opal – smooth light diffusion
- Beam Angle: 360° – full circular light distribution
- Size: 863.2mm × 17mm – ideal for modular ceiling systems
- Rated Life: 24,000 hours – long-lasting reliability
- Energy Saving: Yes – higher efficiency than TL-D lamps
Benefits
- Enables system miniaturization and flexible luminaire design
- Maintains consistent lumen output with excellent maintenance
- Good color rendering for visual comfort
- Ideal for both retrofit and new installations
Recommended Applications
- Residential: Kitchen, bathroom
- Hospitality: Hotel, restaurant, lobby, corridor, toilets
- Office & Institutional: School, university, conference room, garage
- Retail: Supermarket, mall, grocer, salesroom
