The filament of a halogen bulb burns at a higher temperature in an atmospheric vacuum - radiating a much whiter light. The prescence of active halogen compounds (containing bromine and iodine) efficiently regenerate the tungsten filament - making the bulbs last longer.
Technical Specs
ItemMiniature Halogen Bulb
Bulb Dia.5/8 in
Bulb ShapeT4-5/8
Incandescent Wattage EquivalencyNot Applicable
Light TechnologyHalogen
Shatter-ResistantNo
Voltage13.2V AC
Rated Life30 min
DimmableNo
Three-WayNo
StandardsMeets 2012 Lighting Legislation Energy Standards
Bulb Base TypePrefocus (P43t-38)
Bulb HousingGlass
Colour Temperature3,600K
Lumens1,500/2,400 lm
Overall Length3 1/2 in
Trade NumberH4-100/80W
Watts80 W, 100 W
Bulb FinishClear
For Enclosed FixturesNo
Indoor/Outdoor UsageIndoor
Amps8,330 mA
Country of OriginKorea, Republic of
(subject to change)