Overview
The Philips ALTO T5 HE (High Efficiency) fluorescent lamp combines energy savings with low environmental impact. Featuring Philips ALTO lamp technology, this 28W T5 lamp delivers 2900 initial lumens of cool white light at 4100K — making it an ideal choice for commercial and institutional lighting applications. The slim T5 profile offers design flexibility, and the ultra-low mercury content of just 1.4 mg per lamp supports green building initiatives and simplified lamp disposal.
Features
- ALTO low-mercury technology — only 1.4 mg Hg per lamp
- Slim T5 profile for flexible fixture design
- Operates on programmed start electronic ballasts only
- 104 lm/W luminous efficacy at max lumens
- 24,000-hour rated lamp life (preheat start)
- Color Rendering Index (CRI) of 82 (80 min)
- Dimmable
- Green Cap indicator for low-mercury status
- Philips 36-month warranty
- Suitable for offices, retail stores, hotels, schools, and hospitals
Specifications
| Manufacturer | Signify (Philips) |
|---|---|
| Model Number | 28W/841 MIN BIPIN T5 HE ALTO UNP/40 |
| UPC | 046677230869 |
| Lamp Type | T5 Fluorescent |
| Wattage | 28W (27.9W nominal) |
| Base Type | G5 Miniature Bipin |
| Color Temperature | 4100K (Cool White) |
| Color Rendering Index (CRI) | 82 (80 min, 85 max) |
| Initial Lumens | 2900 lm |
| Rated Lumens | 2675 lm |
| Luminous Efficacy | 104 lm/W (max); 96 lm/W (rated) |
| Rated Life | 24,000 hours (preheat start, 50% failures) |
| Length | 46 in. (1149.0 mm nominal) |
| Lamp Diameter | 17 mm (T5) |
| Lamp Current | 0.170 A |
| Design Temperature | 35°C |
| Mercury Content | 1.4 mg |
| Dimmable | Yes |
| Energy Efficiency Label | A |
| Ballast Compatibility | Programmed start electronic ballasts only |
| Pack Quantity | 1 lamp per pack; 40 packs per case |
| Net Weight | 104.5 g |


