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Incandescents, Neons, and 3496 applications employ different configurations with different technical capabilities and different principles of operation.
An incandescent bulb, composed of a metal filament (usually tungsten) inside a glass bulb filled with an inert gas (argon) at low pressure, works by passing an electric current through the filament resulting in high resistance. This resistance causes the filament to reach temperatures up to 4000 degrees Celsius (7200 degrees Fahrenheit). When the filament reaches this high temperature, it emits a bright light that is visible to the human eye. In common incandescent lightbulbs, a phosphor coating on the inside of the Bulb further enhances the brightness of the filament. The filament needs the environment provided by the inert gas, as a vacuum or air would react too violently with the filament\'s intense heat. This configuration creates a practical and reliable lamp with a long lifespan.
Neon lamps require a much more complex configuration than the simple incandescent bulb. Instead of having a filament, they are composed of two electrodes, charged with high voltage,separated by a gas such as neon or argon. As the electric current passes through the gas, electrons try to find a way to pass from one electrode to the other. The electric field created by the potential difference between the electrodes makes it hard for the electrons to cross, making them collide with the gas molecules thus producing a characteristic light and color. Neon lamps are particularly useful as they don\'t need to be replaced as often, although their higher up-front cost can be inhibiting.
A 3496 application is the most complex of the three light sources, and it is used primarily for decorative lighting. They are composed of two concentric tubes, one inside the other. A high voltage is sent through the inner tube, which is filled with a combination of gas and metal particles, which creates a plasma with temperatures approaching those of the Sun. The light created by this plasma is extremely bright and often used for special purposes, such as outdoor shoppings, light shows and night clubs. The outer tube,filled with a different gas, serves to cool down the inner tube and also modifies the spectrum of the emitted light.
As evidenced by the differences in their configurations, the principles of operation of incandescents, neons, and 3496 applications are also quite distinct. Consequently, the applications of each varies greatly; incandescents are used mostly in living spaces as dim or bright lighting, whereas neons are commonly used for public areas, as their strong color and longer lifespan lends them well for outdoor signs and logos. 3496 applications are most often used for decorative purposes due to the eye-catching bright light they produce.
Light sources are an integral part of our modern lives, and incandescents, neons, and 3496 applications are some of the most common. Each one has its own advantages and disadvantages, making it suitable for different applications. It is up to the user to make a decision between the available options and choose the one that best meets their needs.
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3496 Datasheet/PDF