Dimmable Yes Burning position any ILCOS HSGST/C/UB-20-12-G4-10/22 Base (standard designation) G4 Filament setting Transversal Mercury-free Yes Rated lamp mercury content 0.0 mg Nominal wattage (packaging) 20W Construction wattage 20W Nominal voltage 12V Rated number of switching cycles 1000000 Rated power factor ? 1.00 Overall length 33.00 mm Contact spacing 4 mm Diameter 10 mm Length 33.00 mm Light center length (LCL) 22 mm Nominal lamp life time 2000 h Rated lamp life time 2000 h Rated color rendering index (Ra) 100 Luminous flux 320 lm Nominal luminous flux 320 lm Rated luminous flux 320 lm Lumen main.fact.at end of nom.life time 0.80 Color temperature 2800 K Rated color temperature 2800 K Color rendering index Ra 100 Rated warm-up time (60 %) 0 s Rated starting time 0.0 s Lighting solutions that are unlike anything else – that’s HALOSTAR from OSRAM. Open halogen lighting systems and unshielded luminaires are no longer a problem. These decorative reliable point light sources bring rooms to life. It is now possible to design, create and present in the finest detail.-Brilliant accent light-Incredibly small dimensions for revolutionary new luminaire designs-Approved for use in open luminaires to IEC 60598-1-Average life: 2,000 h-Dimmable-Ra=100-Color temperature: 10 W/20 W – 2,800 K; 35 W – 2,900 K; 50 W – 3,000 K-Base: G4, GY6.35-UV filter