... by the gas contained in the bulb; including neon, argon, xenon, krypton, sodium, metal halide, and mercury, or by the type ... of high-intensity discharge gas discharge lamp.STX Series Xenon Lamps: Description of model number: STX-xxx-yyy-zzz-W or STX ... – diameter and length of BASE if the end is BASE Model Bore (mm) Arc (mm) OAL (mm) OD (mm) BASE (dia ...