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This increases current flow and the bulb reaches its full potential.Īlso Read: 11 Pros and Cons of Using Xenon Lighting in Your Vehicle Unlike halogen bulbs, there is no filament here.Īs the current continues to flow, the current inside the tube rises until it becomes hot enough to melt and vaporize the metallic salts inside it. When you switch on the light, a high-voltage spark ionizes the Xenon gas inside the tube and gets energy flowing through it. Secondly, new Xenon bulbs need to get used a few times first before they can settle in.
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First of all, they need a few seconds to power up each time they get switched on. Xenon or HID bulbs are more complicated than halogen bulbs. This has limited the scope of their applications. One disadvantage of Xenon lights is that they need a few seconds to power up to maximum brightness. It has since then spread to other vehicles since it offers many advantages over halogen headlights. The first use of a Xenon headlight was in a 1991 7-Series BMW. They produce the whitest and the brightest headlights, brighter than halogen lights and using even less energy than halogen bulbs. HID stands for High-Intensity Discharge and Xenon bulbs really create very bright lights. Xenon headlights come with Xenon bulbs, which are also called HID or Xenon HID bulbs. More detailed: click here Xenon Headlights This makes light production through incandescence energy inefficient. The problem with incandescence is that lots of energy gets lost in heat production even when all required is light. The heat comes as a result of incandescence, which generates both heat and light when an electric current gets passed through a filament. They are in fact, the hottest bulbs among the 3, with Xenon following behind and LEDs being the least heat-producing. Car makers can use them as a cheap solution to make switchable beams from low to high, or in any other variations which can help in different situations, like early evening, stormy weather e.t.c. Their ability to be run at different light intensities makes halogen bulbs more valuable. This makes replacing a halogen headlight a minor cost, especially when you do the replacement by yourself. Halogen bulbs are cheaper than the other bulbs with an average cost of about $15.
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For many cars, the process is simply opening the hood, unscrewing the old one and removing it, then inserting the new bulb and screwing it into place. One reason for the widespread use and popularity of halogen headlights is how relatively easy it is to change them. As you should know, a higher filament temperature means a brighter light. Halogen, therefore, extends the life of the bulb and allows it to reach higher temperatures without burning out. This halogen gas prevents the tungsten filament from darkening and slows down its thinning process, which eventually happens anyway, but later. The first difference with halogen bulbs is that they are smaller than standard incandescent lamps of the same wattage, and they also have halogen gas inside the bulb, instead of the vacuum in normal incandescent bulbs.