Osram Powerball HCI-TFHCI TF 20W 830 WDL POWERBALL GU6. 5 12X1 HCI TF 35W 930 WDL POWERBALL GU6. 5 12X1 Electrical data Nominal wattage 20 W 35 W Rated wattage 20. 00 W Lamp current 0. 22 A Ignition voltage 3. 0 5. 0 kVp Photometrical data Luminous flux 1700 lm Luminous efficacy 85 lm W Color rendering index Ra 89 Color temperature 3000 K Light color 830 Rated LLMF at 2,000 h 0. 80 Rated LLMF at 4,000 h 0. 75 Rated LLMF at 6,000 h 0. 73 Rated LLMF at 8,000 h 0. 70 Rated