T5 Watt-Miser linear fluoresent lamps

T5 Watt-Miser™ lamps are triphosphor fluorescent lamps with 16mm outer diameter for indoor applications. These new lamps offer significant energy savings versus other T5 linear fluorescent lamps

Application areas

T5 Watt-Miser™ lamps are mostly recommended for general indoor applications, such as
  • Retail
  • Offices
  • Schools
  • Commercial
  • Industrial


T5 Watt-Miser™ lamps consume 5% less energy compared with today's T5 lamps, without compromising lumen output, and have a 25,000 hours life.

T5 lamps are optimized to higher ambient temperature than T8 lamps, offering up to 111lm/W luminous efficacy. The peak lumen output can be reached at approximately 35°C. The elevated optimum temperature results in additional energy saving versus T8 lamps in typical indoor lighting applications.

Standard T5 lamps can be easily replaced with the new T5 Watt-Miser™ lamps in the existing lighting applications, since new electronic control gears are not required. These new lamps from GE enable even less than 6 months payback time.

GE is committed to fight against climate change. The T5 Watt- Miser™ lamps will contribute to the global effort to reduce CO2 emission. One lamp can save 1.2-5.0 kg carbon dioxide per year depending on the type. So in addition to the lower energy bill, millions of tons of CO2 could potentially be saved with this new lamp technology in Europe.

Product Range

T5 Watt-Miser™ lamps are available in 9 wattages and 4 standard colour temperatures. Each already known T5 lamp has its Watt-Miser™ equivalent couple. For easy identification, the stamping colour is green, and the new product descriptions refer to the existing standard nominal wattages. E.g. a luminaire having the already-known F14W Starcoat™ T5 lamps inside, can be relamped with the new F14 Watt-Miser™

The entire range consists of the following models:
  • 2-ft — F14, F24
  • 3-ft — F21, F39
  • 4-ft — F28, F54
  • 5-ft — F35, F49, F80
The available colour temperatures are:
  • 3000K warm white
  • 3500K white
  • 4000K cool white
  • 6500K daylight


The T5 Watt-Miser™ linear fluorescent lamps comply with IEC 60061, IEC 60081 and IEC 61195



F14, F24 F21, F39 F28, F54 F35, F49, F80
A Max- base to base mm 549 849 1149 1449
B Min - pin to base mm 553.7 853.7 1153.7 1453.7
B Max - pin to base mm 556.1 856.1 1156.1 1456.1
C Max - pin to pin mm 563.2 863.2 1163.2 1463.2
D Max - outer diameter mm 17 17 17 17

Contact us

Have a question or need any assistance that should be answered by a professional? Contact us, and let our staff help you.

Contact us