Sodium Lamp Electrode

Sodium lamp electrodes are components used in sodium lamps, which are gas discharge light sources widely applied in functional outdoor and industrial lighting such as roads, airports, ports, stations, squares, and industrial facilities where color rendering is not critical, as sodium lamps emit a characteristic yellow-orange light that provides high road visibility, strong fog penetration, and soft illumination, making them especially suitable for traffic lighting and safety-oriented applications and remaining a mainstream solution in these fields despite the ongoing development of alternative energy-saving light sources.

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Available Type

Neon lamps are a type of cold-cathode gas discharge light source composed of sealed glass tubes filled with low-pressure neon or other rare gases, with electrodes mounted at both ends of the tube. When a sufficiently high voltage is applied across the electrodes, the gas inside the tube becomes ionized and emits visible light, the color of which depends on the specific gas used. The electrodes play a fundamental role in the discharge process by emitting electrons and collecting both electrons and positive ions, thereby sustaining stable illumination. To endure continuous ion bombardment and elevated operating temperatures while maintaining efficient electron emission, neon lamp electrodes are manufactured from materials with high melting points and strong resistance to erosion. In typical designs, the spring and rod components of the electrode are made of pure tungsten, providing durability, stable electrical performance, and long service life in neon lighting systems.

Sodium Lamp Electrode

Material

Available Type

Neon Lamp Electrode

Metal Halide Lamp Electrode

Lead-in Wire

High Pressure Mercury Lamp Electrode