Electrical data Nominal wattage 35.00 W Rated wattage 39.00 W Lamp current 0.53 A PFC capacitor at 50 Hz 6 µF Ignition voltage 3.6 kVp;5.0 kVp Photometrical data Luminous flux 3400 lm Luminous efficacy 87 lm/W Color rendering index Ra 91 Color temperature 3750 K Light color 938 UV protection Yes Dimensions & weight Diameter 20.0 mm Length 100.0 mm Light center length (LCL) 56.0 mm Product weight 27.00 g Temperatures & operating conditions Maximum permitted outer bulb temperature 500 °C Maximum permitted pinch temperature 350 °C Lifespan Lifespan B50 15000 h Additional product data Base (standard designation) G12 Design / version Clear System guarantee level 3 (2/5) Mercury content 3.6 mg Appropriate disposal acc. to WEEE Yes Capabilities Dimmable No Burning position Any Enclosed luminaire required Yes Hot restart No Country specific categorizations ILCOS MT/UB-35/942-H/SL-G12-20/90