Technical Information No. DO 4331 Edition: 04/13 Tungsten Halogen Lamp for Airfield Lighting - subject to change 64386 Supersedes 07/08 Status: valid Product description d The OSRAM 64386 is a single ended lamp for threshold and runway end lighting. Technical data a Order reference 64386 LIF J1/39 Maximum operation current A Base l 6.6 G6.35 Rated lamp wattage W 200 Maximum intial wattage W 216 Average life h 1,500 Color temperature K 3,100 Rated luminous flux lm 4,700 Minimum initial luminous flux lm 4,230 Luminous flux after 900 h lm min. 95% of initial value Bulb diameter (d) mm max. 13.5 Length (l) mm max. 47 LCL (a) mm 33 Filament type CBar-6 Filament diameter mm 4.6 x 6.8 Deviation of filament mm max. 1 (refers to base axis) Lamp operation Burning position Maximum pinch temperature Chromaticity Display/Optic Berlin s 90 °C 350 within white boundaries as defined in Annex 14 to the Convention of International Civil Aviation