High Intensity Discharge | Solid State Lighting | Specialty | Additional Information |
HALOGEN LAMPS
Filament Designations, Base Types and Bulb Shapes
FILAMENT DESIGNATIONS (NOT ACTUAL SIZES)
Filament Designations consist of a letter or letters to indicate how the wire is coiled and an arbitrary number sometimes followed by a letter to indicate the arrangement of the filament on the supports. Prefix letters include C (coil) — wire is wound into a helical coil or it may be deeply fluted; CC (coiled coil) — wire is wound into a helical coil and this coiled wire again wound into a helical coil. Some of the more commonly used types of filament arrangements are illustrated.
BASE TYPES (NOT ACTUAL SIZES)
BULB SHAPES (NOT ACTUAL SIZES)
The size and shape of a bulb is designated by a letter or letters followed by a number.The letter indicates the shape of the bulb while the number indicates the diameter of the bulb in eighths of an inch. For example,“T10” indicates a tubular shaped bulb having a diameter of 10⁄8 or 11⁄4 inches. The following illustrations show some of the more popular bulb shapes and sizes.
Halogená® Bulb Shapes
Halogen Bulb Shapes
Philips Lighting Company SAG100
