Technical Information Tungsten Halogen single ended No. DO 5319 Edition: 10/05 - subject to change 64576 (230V) Supersedes: Status: valid Product description The OSRAM 64576 is a 1000W lamp originally developed for photographic application. It is a compact and high efficacy lamp fitted with an u-shape filament. Technical Data Lamp / order reference 64576 ANSI - LIF P2/17 Rated lamp wattage W 1000 Rated lamp voltage V 230 Average life-time h 75 Color temperature K 3200 Luminous flux lm 28000 Luminous efficacy Lm/W 27.3 Base GX6.35 Diameter d mm 23 max. Lamp length L mm 67.5 max. LCL a mm 38 ± 2 Type of coil u-shaped Lamp operation Max. pinch seal temperature Burning position Display / Optic Berlin °C 350 s90