Technical Information No. DO 4329 Edition: 07/08 Tungsten Halogen Lamp for Airfield Lighting - subject to change 64346 Supersedes 11/05 Status: valid Product description d The OSRAM 64346 is a single-ended lamp for the following applications: Approach, touchdown zone, threshold, runway and taxiway lights a l Technical data Order reference 64346 LIF J1/58 Maximum operation current A Base 6.6 G6.35 Rated lamp wattage W 100 Maximum initial wattage W 108 Average life h 1,200 Color temperature K 3,150 Rated luminous flux lm 2,300 Minimum initial luminous flux lm 2,070 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 dimensions (w x h) mm 3.0 x 4.7 Deviation of filament centre mm max. 1.2 (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