The working temperature of tungsten wire when it is emitting light is usually very high. Generally speaking, the working temperature of the tungsten wire in ordinary incandescent lamps is often between 1300 and 1500℃, and the greater the power of the bulb, the higher the working temperature of the filament. Under certain specific conditions or special types of tungsten wire bulbs (such as quartz bulbs containing halogen gas), the temperature of the tungsten wire inside may be higher, usually reaching around 2000℃ to 3000℃. This high temperature range allows the tungsten wire to emit bright light.
In addition, there are also data showing that the working temperature of tungsten wires in actual applications may be as high as 2400K2600K (i.e. 2127℃2327℃), which further confirms the high temperature conditions that tungsten wires need to reach when emitting light.
It should be noted that the temperature of tungsten wire bulbs is affected by many factors, including the current size, bulb power and voltage, bulb design and manufacturing quality, etc. Therefore, in specific applications, the working temperature of tungsten wires may vary. At the same time, since tungsten wires are easy to sublimate at high temperatures, the life of the bulb will also be affected. In order to extend the service life of the bulb, inert gas is usually filled in the bulb to reduce the sublimation rate of the tungsten wire.
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