Other
Electric filament or discharge lamps, including sealed beam lamp units and ultra-violet or infra-red lamps; arc-lamps, light-emitting diode (LED) light sources. > Parts > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8539.90
Arc Lamp Electrode Assembly
A tungsten electrode assembly with ceramic insulators and a water-cooling jacket, designed for high-intensity carbon arc lamps used in film projectors. This is a part of an arc lamp, which falls under heading 85.39, and is not a filament, cathode, or electrode for the manufacture of electric lamps, so it is classified as 'Other' parts.
8539.90.90Blacklight Fluorescent Lamp Phosphor Coating
A rare-earth phosphor powder coating formulation (zinc silicate activated by indium) for UV-A blacklight fluorescent lamps. This specialized coating is a part of a discharge lamp, not a complete lamp, and is not a filament, cathode, or electrode, so it falls under 'Other' parts of heading 85.39.
8539.90.90Fluorescent Lamp Starter Socket
A bypass starter socket with glow switch contacts for preheat-type fluorescent lamp ballasts. This is an electrical connection part for discharge lamps, not a complete lamp, and not a filament, cathode, or electrode, so it is classified as 'Other' parts under heading 85.39.
8539.90.90Halogen Lamp Quartz Bulb
A fused quartz bulb envelope with a pinch seal design for tungsten halogen incandescent lamps, capable of 3200K color temperature. This is an essential part for filament lamps, not a complete lamp, and not a filament, cathode, or electrode, so it falls under 'Other' parts of heading 85.39.
8539.90.90High-Pressure Sodium Lamp Arc Tube
A translucent polycrystalline alumina arc tube containing sodium/mercury amalgam for high-pressure discharge lamps used in street lighting. This is a core functional part of a discharge lamp, not a complete lamp, and not a filament, cathode, or electrode, so it is classified as 'Other' parts under heading 85.39.
8539.90.90Infrared Lamp Ceramic Base
A high-temperature steatite ceramic lamp base with threaded socket and wire leads for IR therapeutic lamps. This is an essential electrical insulator part for infrared lamps, not a complete lamp, and not a filament, cathode, or electrode, so it falls under 'Other' parts of heading 85.39.
8539.90.90LED Bulb Plastic Housing
A polycarbonate injection-molded housing with diffuser lens and heat vents, specifically designed as the outer enclosure for A19 LED replacement bulbs. This is a part of an LED light source, not a complete lamp, and not a filament, cathode, or electrode, so it is classified as 'Other' parts under heading 85.39.
8539.90.90LED Driver Circuit Board
A printed circuit board assembly containing power management ICs, capacitors, and resistors designed specifically for driving LED light sources. This is an essential electrical part for LED light sources, not a complete lamp, and not a filament, cathode, or electrode, so it falls under 'Other' parts of heading 85.39.
8539.90.90LED Flood Light Lens Array
A PMMA optical lens array with 10°-120° beam angle optics for high-power LED floodlight modules. This is a precision-engineered light control part for LED light sources, not a complete lamp, and not a filament, cathode, or electrode, so it is classified as 'Other' parts under heading 85.39.
8539.90.90LED Street Light Heatsink
A die-cast aluminum heatsink with finned design and thermal interface pad, specifically engineered for thermal management in high-power LED street lighting modules. This is a critical part for LED light sources, not a complete lamp, and not a filament, cathode, or electrode, so it falls under 'Other' parts of heading 85.39.
8539.90.90LED Strip Light Aluminum Profile
An extruded aluminum channel with diffusion cover mounting slots, specifically designed to house flexible LED tape lights for cove lighting applications. This is a lamp part for LED light sources, not a complete lamp, and not a filament, cathode, or electrode, so it is classified as 'Other' parts under heading 85.39.
8539.90.90Mercury Vapor Lamp Outer Bulb
A hard glass outer bulb with phosphor coating and mogul base adapter for high-pressure mercury vapor lamps. This is a protective envelope part for discharge lamps, not a complete lamp, and not a filament, cathode, or electrode, so it falls under 'Other' parts of heading 85.39.
8539.90.90Sealed Beam Lamp Reflector Assembly
An aluminum parabolic reflector with mounting brackets and heat shield, designed for sealed beam lamp units used in automotive headlights. This is a key optical part integral to filament lamp function, not a complete lamp, and not a filament, cathode, or electrode, so it is classified as 'Other' parts under heading 85.39.
8539.90.90Stage Spotlight Gobo Holder
A high-temperature stainless steel gobo/pattern holder with heat-resistant clips for ellipsoidal stage lighting fixtures using discharge lamps. This is a lamp accessory part, not a complete lamp, and not a filament, cathode, or electrode, so it falls under 'Other' parts of heading 85.39.
8539.90.90UV Lamp Quartz Tube
A high-purity quartz glass tube engineered to transmit ultraviolet wavelengths, serving as the envelope for UV discharge lamps used in sterilization equipment. This is a specialized part of a discharge lamp, not a complete lamp, and not a filament, cathode, or electrode, so it is classified as 'Other' parts under heading 85.39.